397318950

素因数分解:

$2^1\times 3^2\times 5^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{487}}^1$

素因数の和:556

約数の個数: 216

約数和(自身を含む): 1277922672

約数和(自身を除く): 880603722

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 37, 42, 45, 49, 50, 63, 70, 74, 75, 90, 98, 105, 111, 126, 147, 150, 175, 185, 210, 222, 225, 245, 259, 294, 315, 333, 350, 370, 441, 450, 487, 490, 518, 525, 555, 630, 666, 735, 777, 882, 925, 974, 1050, 1110, 1225, 1295, 1461, 1470, 1554, 1575, 1665, 1813, 1850, 2205, 2331, 2435, 2450, 2590, 2775, 2922, 3150, 3330, 3409, 3626, 3675, 3885, 4383, 4410, 4662, 4870, 5439, 5550, 6475, 6818, 7305, 7350, 7770, 8325, 8766, 9065, 10227, 10878, 11025, 11655, 12175, 12950, 14610, 16317, 16650, 17045, 18019, 18130, 19425, 20454, 21915, 22050, 23310, 23863, 24350, 27195, 30681, 32634, 34090, 36038, 36525, 38850, 43830, 45325, 47726, 51135, 54057, 54390, 58275, 61362, 71589, 73050, 81585, 85225, 90095, 90650, 102270, 108114, 109575, 116550, 119315, 126133, 135975, 143178, 153405, 162171, 163170, 170450, 180190, 214767, 219150, 238630, 252266, 255675, 270285, 271950, 306810, 324342, 357945, 378399, 407925, 429534, 450475, 511350, 540570, 596575, 630665, 715890, 756798, 767025, 810855, 815850, 882931, 900950, 1073835, 1135197, 1193150, 1261330, 1351425, 1534050, 1621710, 1765862, 1789725, 1891995, 2147670, 2270394, 2648793, 2702850, 3153325, 3579450, 3783990, 4054275, 4414655, 5297586, 5369175, 5675985, 6306650, 7946379, 8108550, 8829310, 9459975, 10738350, 11351970, 13243965, 15892758, 18919950, 22073275, 26487930, 28379925, 39731895, 44146550, 56759850, 66219825, 79463790, 132439650, 198659475, 397318950]

約数ペア:

[(1, 397318950), (2, 198659475), (3, 132439650), (5, 79463790), (6, 66219825), (7, 56759850), (9, 44146550), (10, 39731895), (14, 28379925), (15, 26487930), (18, 22073275), (21, 18919950), (25, 15892758), (30, 13243965), (35, 11351970), (37, 10738350), (42, 9459975), (45, 8829310), (49, 8108550), (50, 7946379), (63, 6306650), (70, 5675985), (74, 5369175), (75, 5297586), (90, 4414655), (98, 4054275), (105, 3783990), (111, 3579450), (126, 3153325), (147, 2702850), (150, 2648793), (175, 2270394), (185, 2147670), (210, 1891995), (222, 1789725), (225, 1765862), (245, 1621710), (259, 1534050), (294, 1351425), (315, 1261330), (333, 1193150), (350, 1135197), (370, 1073835), (441, 900950), (450, 882931), (487, 815850), (490, 810855), (518, 767025), (525, 756798), (555, 715890), (630, 630665), (666, 596575), (735, 540570), (777, 511350), (882, 450475), (925, 429534), (974, 407925), (1050, 378399), (1110, 357945), (1225, 324342), (1295, 306810), (1461, 271950), (1470, 270285), (1554, 255675), (1575, 252266), (1665, 238630), (1813, 219150), (1850, 214767), (2205, 180190), (2331, 170450), (2435, 163170), (2450, 162171), (2590, 153405), (2775, 143178), (2922, 135975), (3150, 126133), (3330, 119315), (3409, 116550), (3626, 109575), (3675, 108114), (3885, 102270), (4383, 90650), (4410, 90095), (4662, 85225), (4870, 81585), (5439, 73050), (5550, 71589), (6475, 61362), (6818, 58275), (7305, 54390), (7350, 54057), (7770, 51135), (8325, 47726), (8766, 45325), (9065, 43830), (10227, 38850), (10878, 36525), (11025, 36038), (11655, 34090), (12175, 32634), (12950, 30681), (14610, 27195), (16317, 24350), (16650, 23863), (17045, 23310), (18019, 22050), (18130, 21915), (19425, 20454)]