646971990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{6029}}^1$

素因数の和:6126

約数の個数: 96

約数和(自身を含む): 1831286880

約数和(自身を除く): 1184314890

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 73, 98, 105, 146, 147, 210, 219, 245, 294, 365, 438, 490, 511, 730, 735, 1022, 1095, 1470, 1533, 2190, 2555, 3066, 3577, 5110, 6029, 7154, 7665, 10731, 12058, 15330, 17885, 18087, 21462, 30145, 35770, 36174, 42203, 53655, 60290, 84406, 90435, 107310, 126609, 180870, 211015, 253218, 295421, 422030, 440117, 590842, 633045, 880234, 886263, 1266090, 1320351, 1477105, 1772526, 2200585, 2640702, 2954210, 3080819, 4401170, 4431315, 6161638, 6601755, 8862630, 9242457, 13203510, 15404095, 18484914, 21565733, 30808190, 43131466, 46212285, 64697199, 92424570, 107828665, 129394398, 215657330, 323485995, 646971990]

約数ペア:

[(1, 646971990), (2, 323485995), (3, 215657330), (5, 129394398), (6, 107828665), (7, 92424570), (10, 64697199), (14, 46212285), (15, 43131466), (21, 30808190), (30, 21565733), (35, 18484914), (42, 15404095), (49, 13203510), (70, 9242457), (73, 8862630), (98, 6601755), (105, 6161638), (146, 4431315), (147, 4401170), (210, 3080819), (219, 2954210), (245, 2640702), (294, 2200585), (365, 1772526), (438, 1477105), (490, 1320351), (511, 1266090), (730, 886263), (735, 880234), (1022, 633045), (1095, 590842), (1470, 440117), (1533, 422030), (2190, 295421), (2555, 253218), (3066, 211015), (3577, 180870), (5110, 126609), (6029, 107310), (7154, 90435), (7665, 84406), (10731, 60290), (12058, 53655), (15330, 42203), (17885, 36174), (18087, 35770), (21462, 30145)]