71119900

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:295

約数の個数: 72

約数和(自身を含む): 159833520

約数和(自身を除く): 88713620

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 89, 100, 122, 131, 178, 244, 262, 305, 356, 445, 524, 610, 655, 890, 1220, 1310, 1525, 1780, 2225, 2620, 3050, 3275, 4450, 5429, 6100, 6550, 7991, 8900, 10858, 11659, 13100, 15982, 21716, 23318, 27145, 31964, 39955, 46636, 54290, 58295, 79910, 108580, 116590, 135725, 159820, 199775, 233180, 271450, 291475, 399550, 542900, 582950, 711199, 799100, 1165900, 1422398, 2844796, 3555995, 7111990, 14223980, 17779975, 35559950, 71119900]

約数ペア:

[(1, 71119900), (2, 35559950), (4, 17779975), (5, 14223980), (10, 7111990), (20, 3555995), (25, 2844796), (50, 1422398), (61, 1165900), (89, 799100), (100, 711199), (122, 582950), (131, 542900), (178, 399550), (244, 291475), (262, 271450), (305, 233180), (356, 199775), (445, 159820), (524, 135725), (610, 116590), (655, 108580), (890, 79910), (1220, 58295), (1310, 54290), (1525, 46636), (1780, 39955), (2225, 31964), (2620, 27145), (3050, 23318), (3275, 21716), (4450, 15982), (5429, 13100), (6100, 11659), (6550, 10858), (7991, 8900)]