15988700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1$

素因数の和:292

約数の個数: 108

約数和(自身を含む): 43637832

約数和(自身を除く): 27649132

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 49, 50, 52, 65, 70, 91, 98, 100, 130, 140, 175, 182, 196, 245, 251, 260, 325, 350, 364, 455, 490, 502, 637, 650, 700, 910, 980, 1004, 1225, 1255, 1274, 1300, 1757, 1820, 2275, 2450, 2510, 2548, 3185, 3263, 3514, 4550, 4900, 5020, 6275, 6370, 6526, 7028, 8785, 9100, 12299, 12550, 12740, 13052, 15925, 16315, 17570, 22841, 24598, 25100, 31850, 32630, 35140, 43925, 45682, 49196, 61495, 63700, 65260, 81575, 87850, 91364, 114205, 122990, 159887, 163150, 175700, 228410, 245980, 307475, 319774, 326300, 456820, 571025, 614950, 639548, 799435, 1142050, 1229900, 1598870, 2284100, 3197740, 3997175, 7994350, 15988700]

約数ペア:

[(1, 15988700), (2, 7994350), (4, 3997175), (5, 3197740), (7, 2284100), (10, 1598870), (13, 1229900), (14, 1142050), (20, 799435), (25, 639548), (26, 614950), (28, 571025), (35, 456820), (49, 326300), (50, 319774), (52, 307475), (65, 245980), (70, 228410), (91, 175700), (98, 163150), (100, 159887), (130, 122990), (140, 114205), (175, 91364), (182, 87850), (196, 81575), (245, 65260), (251, 63700), (260, 61495), (325, 49196), (350, 45682), (364, 43925), (455, 35140), (490, 32630), (502, 31850), (637, 25100), (650, 24598), (700, 22841), (910, 17570), (980, 16315), (1004, 15925), (1225, 13052), (1255, 12740), (1274, 12550), (1300, 12299), (1757, 9100), (1820, 8785), (2275, 7028), (2450, 6526), (2510, 6370), (2548, 6275), (3185, 5020), (3263, 4900), (3514, 4550)]