100203440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73679}}^1$

素因数の和:73709

約数の個数: 40

約数和(自身を含む): 246680640

約数和(自身を除く): 146477200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 73679, 147358, 294716, 368395, 589432, 736790, 1178864, 1252543, 1473580, 2505086, 2947160, 5010172, 5894320, 6262715, 10020344, 12525430, 20040688, 25050860, 50101720, 100203440]

約数ペア:

[(1, 100203440), (2, 50101720), (4, 25050860), (5, 20040688), (8, 12525430), (10, 10020344), (16, 6262715), (17, 5894320), (20, 5010172), (34, 2947160), (40, 2505086), (68, 1473580), (80, 1252543), (85, 1178864), (136, 736790), (170, 589432), (272, 368395), (340, 294716), (680, 147358), (1360, 73679)]