200039960

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{677}}^1$

素因数の和:860

約数の個数: 64

約数和(自身を含む): 461311200

約数和(自身を除く): 261271240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 89, 166, 178, 332, 356, 415, 445, 664, 677, 712, 830, 890, 1354, 1660, 1780, 2708, 3320, 3385, 3560, 5416, 6770, 7387, 13540, 14774, 27080, 29548, 36935, 56191, 59096, 60253, 73870, 112382, 120506, 147740, 224764, 241012, 280955, 295480, 301265, 449528, 482024, 561910, 602530, 1123820, 1205060, 2247640, 2410120, 5000999, 10001998, 20003996, 25004995, 40007992, 50009990, 100019980, 200039960]

約数ペア:

[(1, 200039960), (2, 100019980), (4, 50009990), (5, 40007992), (8, 25004995), (10, 20003996), (20, 10001998), (40, 5000999), (83, 2410120), (89, 2247640), (166, 1205060), (178, 1123820), (332, 602530), (356, 561910), (415, 482024), (445, 449528), (664, 301265), (677, 295480), (712, 280955), (830, 241012), (890, 224764), (1354, 147740), (1660, 120506), (1780, 112382), (2708, 73870), (3320, 60253), (3385, 59096), (3560, 56191), (5416, 36935), (6770, 29548), (7387, 27080), (13540, 14774)]