251101900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21101}}^1$

素因数の和:21139

約数の個数: 72

約数和(自身を含む): 659395296

約数和(自身を除く): 408293396

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 50, 68, 70, 85, 100, 119, 140, 170, 175, 238, 340, 350, 425, 476, 595, 700, 850, 1190, 1700, 2380, 2975, 5950, 11900, 21101, 42202, 84404, 105505, 147707, 211010, 295414, 358717, 422020, 527525, 590828, 717434, 738535, 1055050, 1434868, 1477070, 1793585, 2110100, 2511019, 2954140, 3587170, 3692675, 5022038, 7174340, 7385350, 8967925, 10044076, 12555095, 14770700, 17935850, 25110190, 35871700, 50220380, 62775475, 125550950, 251101900]

約数ペア:

[(1, 251101900), (2, 125550950), (4, 62775475), (5, 50220380), (7, 35871700), (10, 25110190), (14, 17935850), (17, 14770700), (20, 12555095), (25, 10044076), (28, 8967925), (34, 7385350), (35, 7174340), (50, 5022038), (68, 3692675), (70, 3587170), (85, 2954140), (100, 2511019), (119, 2110100), (140, 1793585), (170, 1477070), (175, 1434868), (238, 1055050), (340, 738535), (350, 717434), (425, 590828), (476, 527525), (595, 422020), (700, 358717), (850, 295414), (1190, 211010), (1700, 147707), (2380, 105505), (2975, 84404), (5950, 42202), (11900, 21101)]