201811420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:319

約数の個数: 96

約数和(自身を含む): 467244288

約数和(自身を除く): 265432868

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 73, 85, 94, 146, 170, 173, 188, 235, 292, 340, 346, 365, 470, 692, 730, 799, 865, 940, 1241, 1460, 1598, 1730, 2482, 2941, 3196, 3431, 3460, 3995, 4964, 5882, 6205, 6862, 7990, 8131, 11764, 12410, 12629, 13724, 14705, 15980, 16262, 17155, 24820, 25258, 29410, 32524, 34310, 40655, 50516, 58327, 58820, 63145, 68620, 81310, 116654, 126290, 138227, 162620, 214693, 233308, 252580, 276454, 291635, 429386, 552908, 583270, 593563, 691135, 858772, 1073465, 1166540, 1187126, 1382270, 2146930, 2374252, 2764540, 2967815, 4293860, 5935630, 10090571, 11871260, 20181142, 40362284, 50452855, 100905710, 201811420]

約数ペア:

[(1, 201811420), (2, 100905710), (4, 50452855), (5, 40362284), (10, 20181142), (17, 11871260), (20, 10090571), (34, 5935630), (47, 4293860), (68, 2967815), (73, 2764540), (85, 2374252), (94, 2146930), (146, 1382270), (170, 1187126), (173, 1166540), (188, 1073465), (235, 858772), (292, 691135), (340, 593563), (346, 583270), (365, 552908), (470, 429386), (692, 291635), (730, 276454), (799, 252580), (865, 233308), (940, 214693), (1241, 162620), (1460, 138227), (1598, 126290), (1730, 116654), (2482, 81310), (2941, 68620), (3196, 63145), (3431, 58820), (3460, 58327), (3995, 50516), (4964, 40655), (5882, 34310), (6205, 32524), (6862, 29410), (7990, 25258), (8131, 24820), (11764, 17155), (12410, 16262), (12629, 15980), (13724, 14705)]