101981300

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{251}}^1$

素因数の和:521

約数の個数: 72

約数和(自身を含む): 236234880

約数和(自身を除く): 134253580

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 239, 251, 340, 425, 478, 502, 850, 956, 1004, 1195, 1255, 1700, 2390, 2510, 4063, 4267, 4780, 5020, 5975, 6275, 8126, 8534, 11950, 12550, 16252, 17068, 20315, 21335, 23900, 25100, 40630, 42670, 59989, 81260, 85340, 101575, 106675, 119978, 203150, 213350, 239956, 299945, 406300, 426700, 599890, 1019813, 1199780, 1499725, 2039626, 2999450, 4079252, 5099065, 5998900, 10198130, 20396260, 25495325, 50990650, 101981300]

約数ペア:

[(1, 101981300), (2, 50990650), (4, 25495325), (5, 20396260), (10, 10198130), (17, 5998900), (20, 5099065), (25, 4079252), (34, 2999450), (50, 2039626), (68, 1499725), (85, 1199780), (100, 1019813), (170, 599890), (239, 426700), (251, 406300), (340, 299945), (425, 239956), (478, 213350), (502, 203150), (850, 119978), (956, 106675), (1004, 101575), (1195, 85340), (1255, 81260), (1700, 59989), (2390, 42670), (2510, 40630), (4063, 25100), (4267, 23900), (4780, 21335), (5020, 20315), (5975, 17068), (6275, 16252), (8126, 12550), (8534, 11950)]