172437860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{983}}^1$

素因数の和:1185

約数の個数: 72

約数和(自身を含む): 424025280

約数和(自身を除く): 251587420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 179, 196, 245, 358, 490, 716, 895, 980, 983, 1253, 1790, 1966, 2506, 3580, 3932, 4915, 5012, 6265, 6881, 8771, 9830, 12530, 13762, 17542, 19660, 25060, 27524, 34405, 35084, 43855, 48167, 68810, 87710, 96334, 137620, 175420, 175957, 192668, 240835, 351914, 481670, 703828, 879785, 963340, 1231699, 1759570, 2463398, 3519140, 4926796, 6158495, 8621893, 12316990, 17243786, 24633980, 34487572, 43109465, 86218930, 172437860]

約数ペア:

[(1, 172437860), (2, 86218930), (4, 43109465), (5, 34487572), (7, 24633980), (10, 17243786), (14, 12316990), (20, 8621893), (28, 6158495), (35, 4926796), (49, 3519140), (70, 2463398), (98, 1759570), (140, 1231699), (179, 963340), (196, 879785), (245, 703828), (358, 481670), (490, 351914), (716, 240835), (895, 192668), (980, 175957), (983, 175420), (1253, 137620), (1790, 96334), (1966, 87710), (2506, 68810), (3580, 48167), (3932, 43855), (4915, 35084), (5012, 34405), (6265, 27524), (6881, 25060), (8771, 19660), (9830, 17542), (12530, 13762)]