28931490

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2417}}^1$

素因数の和:2456

約数の個数: 96

約数和(自身を含む): 90529920

約数和(自身を除く): 61598430

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 45, 57, 63, 70, 90, 95, 105, 114, 126, 133, 171, 190, 210, 266, 285, 315, 342, 399, 570, 630, 665, 798, 855, 1197, 1330, 1710, 1995, 2394, 2417, 3990, 4834, 5985, 7251, 11970, 12085, 14502, 16919, 21753, 24170, 33838, 36255, 43506, 45923, 50757, 72510, 84595, 91846, 101514, 108765, 137769, 152271, 169190, 217530, 229615, 253785, 275538, 304542, 321461, 413307, 459230, 507570, 642922, 688845, 761355, 826614, 964383, 1377690, 1522710, 1607305, 1928766, 2066535, 2893149, 3214610, 4133070, 4821915, 5786298, 9643830, 14465745, 28931490]

約数ペア:

[(1, 28931490), (2, 14465745), (3, 9643830), (5, 5786298), (6, 4821915), (7, 4133070), (9, 3214610), (10, 2893149), (14, 2066535), (15, 1928766), (18, 1607305), (19, 1522710), (21, 1377690), (30, 964383), (35, 826614), (38, 761355), (42, 688845), (45, 642922), (57, 507570), (63, 459230), (70, 413307), (90, 321461), (95, 304542), (105, 275538), (114, 253785), (126, 229615), (133, 217530), (171, 169190), (190, 152271), (210, 137769), (266, 108765), (285, 101514), (315, 91846), (342, 84595), (399, 72510), (570, 50757), (630, 45923), (665, 43506), (798, 36255), (855, 33838), (1197, 24170), (1330, 21753), (1710, 16919), (1995, 14502), (2394, 12085), (2417, 11970), (3990, 7251), (4834, 5985)]