217410830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1381}}^1$

素因数の和:1581

約数の個数: 64

約数和(自身を含む): 484783488

約数和(自身を除く): 267372658

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 173, 182, 346, 455, 865, 910, 1211, 1381, 1730, 2249, 2422, 2762, 4498, 6055, 6905, 9667, 11245, 12110, 13810, 15743, 17953, 19334, 22490, 31486, 35906, 48335, 78715, 89765, 96670, 125671, 157430, 179530, 238913, 251342, 477826, 628355, 1194565, 1256710, 1672391, 2389130, 3105869, 3344782, 6211738, 8361955, 15529345, 16723910, 21741083, 31058690, 43482166, 108705415, 217410830]

約数ペア:

[(1, 217410830), (2, 108705415), (5, 43482166), (7, 31058690), (10, 21741083), (13, 16723910), (14, 15529345), (26, 8361955), (35, 6211738), (65, 3344782), (70, 3105869), (91, 2389130), (130, 1672391), (173, 1256710), (182, 1194565), (346, 628355), (455, 477826), (865, 251342), (910, 238913), (1211, 179530), (1381, 157430), (1730, 125671), (2249, 96670), (2422, 89765), (2762, 78715), (4498, 48335), (6055, 35906), (6905, 31486), (9667, 22490), (11245, 19334), (12110, 17953), (13810, 15743)]