28465620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 82846848

約数和(自身を除く): 54381228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 73, 97, 134, 146, 194, 201, 219, 268, 291, 292, 335, 365, 388, 402, 438, 485, 582, 670, 730, 804, 876, 970, 1005, 1095, 1164, 1340, 1455, 1460, 1940, 2010, 2190, 2910, 4020, 4380, 4891, 5820, 6499, 7081, 9782, 12998, 14162, 14673, 19497, 19564, 21243, 24455, 25996, 28324, 29346, 32495, 35405, 38994, 42486, 48910, 58692, 64990, 70810, 73365, 77988, 84972, 97485, 97820, 106215, 129980, 141620, 146730, 194970, 212430, 293460, 389940, 424860, 474427, 948854, 1423281, 1897708, 2372135, 2846562, 4744270, 5693124, 7116405, 9488540, 14232810, 28465620]

約数ペア:

[(1, 28465620), (2, 14232810), (3, 9488540), (4, 7116405), (5, 5693124), (6, 4744270), (10, 2846562), (12, 2372135), (15, 1897708), (20, 1423281), (30, 948854), (60, 474427), (67, 424860), (73, 389940), (97, 293460), (134, 212430), (146, 194970), (194, 146730), (201, 141620), (219, 129980), (268, 106215), (291, 97820), (292, 97485), (335, 84972), (365, 77988), (388, 73365), (402, 70810), (438, 64990), (485, 58692), (582, 48910), (670, 42486), (730, 38994), (804, 35405), (876, 32495), (970, 29346), (1005, 28324), (1095, 25996), (1164, 24455), (1340, 21243), (1455, 19564), (1460, 19497), (1940, 14673), (2010, 14162), (2190, 12998), (2910, 9782), (4020, 7081), (4380, 6499), (4891, 5820)]