1946374820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:382

約数の個数: 144

約数和(自身を含む): 4718029680

約数和(自身を除く): 2771654860

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 89, 95, 130, 178, 190, 233, 247, 260, 356, 361, 380, 445, 466, 494, 722, 890, 932, 988, 1157, 1165, 1235, 1444, 1691, 1780, 1805, 2314, 2330, 2470, 3029, 3382, 3610, 4427, 4628, 4660, 4693, 4940, 5785, 6058, 6764, 7220, 8455, 8854, 9386, 11570, 12116, 15145, 16910, 17708, 18772, 20737, 21983, 22135, 23140, 23465, 30290, 32129, 33820, 41474, 43966, 44270, 46930, 57551, 60580, 64258, 82948, 84113, 87932, 88540, 93860, 103685, 109915, 115102, 128516, 160645, 168226, 207370, 219830, 230204, 269581, 287755, 321290, 336452, 394003, 414740, 417677, 420565, 439660, 539162, 575510, 642580, 788006, 835354, 841130, 1078324, 1093469, 1151020, 1347905, 1576012, 1670708, 1682260, 1970015, 2088385, 2186938, 2695810, 3940030, 4176770, 4373876, 5122039, 5391620, 5467345, 7486057, 7880060, 8353540, 10244078, 10934690, 14972114, 20488156, 21869380, 25610195, 29944228, 37430285, 51220390, 74860570, 97318741, 102440780, 149721140, 194637482, 389274964, 486593705, 973187410, 1946374820]

約数ペア:

[(1, 1946374820), (2, 973187410), (4, 486593705), (5, 389274964), (10, 194637482), (13, 149721140), (19, 102440780), (20, 97318741), (26, 74860570), (38, 51220390), (52, 37430285), (65, 29944228), (76, 25610195), (89, 21869380), (95, 20488156), (130, 14972114), (178, 10934690), (190, 10244078), (233, 8353540), (247, 7880060), (260, 7486057), (356, 5467345), (361, 5391620), (380, 5122039), (445, 4373876), (466, 4176770), (494, 3940030), (722, 2695810), (890, 2186938), (932, 2088385), (988, 1970015), (1157, 1682260), (1165, 1670708), (1235, 1576012), (1444, 1347905), (1691, 1151020), (1780, 1093469), (1805, 1078324), (2314, 841130), (2330, 835354), (2470, 788006), (3029, 642580), (3382, 575510), (3610, 539162), (4427, 439660), (4628, 420565), (4660, 417677), (4693, 414740), (4940, 394003), (5785, 336452), (6058, 321290), (6764, 287755), (7220, 269581), (8455, 230204), (8854, 219830), (9386, 207370), (11570, 168226), (12116, 160645), (15145, 128516), (16910, 115102), (17708, 109915), (18772, 103685), (20737, 93860), (21983, 88540), (22135, 87932), (23140, 84113), (23465, 82948), (30290, 64258), (32129, 60580), (33820, 57551), (41474, 46930), (43966, 44270)]