400920900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1901}}^1$

素因数の和:1974

約数の個数: 144

約数和(自身を含む): 1254711360

約数和(自身を除く): 853790460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 37, 38, 50, 57, 60, 74, 75, 76, 95, 100, 111, 114, 148, 150, 185, 190, 222, 228, 285, 300, 370, 380, 444, 475, 555, 570, 703, 740, 925, 950, 1110, 1140, 1406, 1425, 1850, 1900, 1901, 2109, 2220, 2775, 2812, 2850, 3515, 3700, 3802, 4218, 5550, 5700, 5703, 7030, 7604, 8436, 9505, 10545, 11100, 11406, 14060, 17575, 19010, 21090, 22812, 28515, 35150, 36119, 38020, 42180, 47525, 52725, 57030, 70300, 70337, 72238, 95050, 105450, 108357, 114060, 140674, 142575, 144476, 180595, 190100, 210900, 211011, 216714, 281348, 285150, 351685, 361190, 422022, 433428, 541785, 570300, 703370, 722380, 844044, 902975, 1055055, 1083570, 1336403, 1406740, 1758425, 1805950, 2110110, 2167140, 2672806, 2708925, 3516850, 3611900, 4009209, 4220220, 5275275, 5345612, 5417850, 6682015, 7033700, 8018418, 10550550, 10835700, 13364030, 16036836, 20046045, 21101100, 26728060, 33410075, 40092090, 66820150, 80184180, 100230225, 133640300, 200460450, 400920900]

約数ペア:

[(1, 400920900), (2, 200460450), (3, 133640300), (4, 100230225), (5, 80184180), (6, 66820150), (10, 40092090), (12, 33410075), (15, 26728060), (19, 21101100), (20, 20046045), (25, 16036836), (30, 13364030), (37, 10835700), (38, 10550550), (50, 8018418), (57, 7033700), (60, 6682015), (74, 5417850), (75, 5345612), (76, 5275275), (95, 4220220), (100, 4009209), (111, 3611900), (114, 3516850), (148, 2708925), (150, 2672806), (185, 2167140), (190, 2110110), (222, 1805950), (228, 1758425), (285, 1406740), (300, 1336403), (370, 1083570), (380, 1055055), (444, 902975), (475, 844044), (555, 722380), (570, 703370), (703, 570300), (740, 541785), (925, 433428), (950, 422022), (1110, 361190), (1140, 351685), (1406, 285150), (1425, 281348), (1850, 216714), (1900, 211011), (1901, 210900), (2109, 190100), (2220, 180595), (2775, 144476), (2812, 142575), (2850, 140674), (3515, 114060), (3700, 108357), (3802, 105450), (4218, 95050), (5550, 72238), (5700, 70337), (5703, 70300), (7030, 57030), (7604, 52725), (8436, 47525), (9505, 42180), (10545, 38020), (11100, 36119), (11406, 35150), (14060, 28515), (17575, 22812), (19010, 21090)]