99501990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{2381}}^1$

素因数の和:2597

約数の個数: 64

約数和(自身を含む): 274406400

約数和(自身を除く): 174904410

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 199, 210, 398, 597, 995, 1194, 1393, 1990, 2381, 2786, 2985, 4179, 4762, 5970, 6965, 7143, 8358, 11905, 13930, 14286, 16667, 20895, 23810, 33334, 35715, 41790, 50001, 71430, 83335, 100002, 166670, 250005, 473819, 500010, 947638, 1421457, 2369095, 2842914, 3316733, 4738190, 6633466, 7107285, 9950199, 14214570, 16583665, 19900398, 33167330, 49750995, 99501990]

約数ペア:

[(1, 99501990), (2, 49750995), (3, 33167330), (5, 19900398), (6, 16583665), (7, 14214570), (10, 9950199), (14, 7107285), (15, 6633466), (21, 4738190), (30, 3316733), (35, 2842914), (42, 2369095), (70, 1421457), (105, 947638), (199, 500010), (210, 473819), (398, 250005), (597, 166670), (995, 100002), (1194, 83335), (1393, 71430), (1990, 50001), (2381, 41790), (2786, 35715), (2985, 33334), (4179, 23810), (4762, 20895), (5970, 16667), (6965, 14286), (7143, 13930), (8358, 11905)]