638123730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{54401}}^1$

素因数の和:54451

約数の個数: 64

約数和(自身を含む): 1692119808

約数和(自身を除く): 1053996078

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 23, 30, 34, 46, 51, 69, 85, 102, 115, 138, 170, 230, 255, 345, 391, 510, 690, 782, 1173, 1955, 2346, 3910, 5865, 11730, 54401, 108802, 163203, 272005, 326406, 544010, 816015, 924817, 1251223, 1632030, 1849634, 2502446, 2774451, 3753669, 4624085, 5548902, 6256115, 7507338, 9248170, 12512230, 13872255, 18768345, 21270791, 27744510, 37536690, 42541582, 63812373, 106353955, 127624746, 212707910, 319061865, 638123730]

約数ペア:

[(1, 638123730), (2, 319061865), (3, 212707910), (5, 127624746), (6, 106353955), (10, 63812373), (15, 42541582), (17, 37536690), (23, 27744510), (30, 21270791), (34, 18768345), (46, 13872255), (51, 12512230), (69, 9248170), (85, 7507338), (102, 6256115), (115, 5548902), (138, 4624085), (170, 3753669), (230, 2774451), (255, 2502446), (345, 1849634), (391, 1632030), (510, 1251223), (690, 924817), (782, 816015), (1173, 544010), (1955, 326406), (2346, 272005), (3910, 163203), (5865, 108802), (11730, 54401)]