400827420

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5581}}^1$

素因数の和:5625

約数の個数: 192

約数和(自身を含む): 1500441600

約数和(自身を除く): 1099614180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 54, 57, 60, 63, 70, 76, 84, 90, 95, 105, 108, 114, 126, 133, 135, 140, 171, 180, 189, 190, 210, 228, 252, 266, 270, 285, 315, 342, 378, 380, 399, 420, 513, 532, 540, 570, 630, 665, 684, 756, 798, 855, 945, 1026, 1140, 1197, 1260, 1330, 1596, 1710, 1890, 1995, 2052, 2394, 2565, 2660, 3420, 3591, 3780, 3990, 4788, 5130, 5581, 5985, 7182, 7980, 10260, 11162, 11970, 14364, 16743, 17955, 22324, 23940, 27905, 33486, 35910, 39067, 50229, 55810, 66972, 71820, 78134, 83715, 100458, 106039, 111620, 117201, 150687, 156268, 167430, 195335, 200916, 212078, 234402, 251145, 301374, 318117, 334860, 351603, 390670, 424156, 468804, 502290, 530195, 586005, 602748, 636234, 703206, 742273, 753435, 781340, 954351, 1004580, 1054809, 1060390, 1172010, 1272468, 1406412, 1484546, 1506870, 1590585, 1758015, 1908702, 2109618, 2120780, 2226819, 2344020, 2863053, 2969092, 3013740, 3181170, 3516030, 3711365, 3817404, 4219236, 4453638, 4771755, 5274045, 5726106, 6362340, 6680457, 7032060, 7422730, 8907276, 9543510, 10548090, 11134095, 11452212, 13360914, 14315265, 14845460, 19087020, 20041371, 21096180, 22268190, 26721828, 28630530, 33402285, 40082742, 44536380, 57261060, 66804570, 80165484, 100206855, 133609140, 200413710, 400827420]

約数ペア:

[(1, 400827420), (2, 200413710), (3, 133609140), (4, 100206855), (5, 80165484), (6, 66804570), (7, 57261060), (9, 44536380), (10, 40082742), (12, 33402285), (14, 28630530), (15, 26721828), (18, 22268190), (19, 21096180), (20, 20041371), (21, 19087020), (27, 14845460), (28, 14315265), (30, 13360914), (35, 11452212), (36, 11134095), (38, 10548090), (42, 9543510), (45, 8907276), (54, 7422730), (57, 7032060), (60, 6680457), (63, 6362340), (70, 5726106), (76, 5274045), (84, 4771755), (90, 4453638), (95, 4219236), (105, 3817404), (108, 3711365), (114, 3516030), (126, 3181170), (133, 3013740), (135, 2969092), (140, 2863053), (171, 2344020), (180, 2226819), (189, 2120780), (190, 2109618), (210, 1908702), (228, 1758015), (252, 1590585), (266, 1506870), (270, 1484546), (285, 1406412), (315, 1272468), (342, 1172010), (378, 1060390), (380, 1054809), (399, 1004580), (420, 954351), (513, 781340), (532, 753435), (540, 742273), (570, 703206), (630, 636234), (665, 602748), (684, 586005), (756, 530195), (798, 502290), (855, 468804), (945, 424156), (1026, 390670), (1140, 351603), (1197, 334860), (1260, 318117), (1330, 301374), (1596, 251145), (1710, 234402), (1890, 212078), (1995, 200916), (2052, 195335), (2394, 167430), (2565, 156268), (2660, 150687), (3420, 117201), (3591, 111620), (3780, 106039), (3990, 100458), (4788, 83715), (5130, 78134), (5581, 71820), (5985, 66972), (7182, 55810), (7980, 50229), (10260, 39067), (11162, 35910), (11970, 33486), (14364, 27905), (16743, 23940), (17955, 22324)]