198177420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{491}}^1$

素因数の和:572

約数の個数: 144

約数和(自身を含む): 656619264

約数和(自身を除く): 458441844

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 491, 620, 651, 868, 930, 961, 982, 1085, 1302, 1473, 1860, 1922, 1964, 2170, 2455, 2604, 2883, 2946, 3255, 3437, 3844, 4340, 4805, 4910, 5766, 5892, 6510, 6727, 6874, 7365, 9610, 9820, 10311, 11532, 13020, 13454, 13748, 14415, 14730, 15221, 17185, 19220, 20181, 20622, 26908, 28830, 29460, 30442, 33635, 34370, 40362, 41244, 45663, 51555, 57660, 60884, 67270, 68740, 76105, 80724, 91326, 100905, 103110, 106547, 134540, 152210, 182652, 201810, 206220, 213094, 228315, 304420, 319641, 403620, 426188, 456630, 471851, 532735, 639282, 913260, 943702, 1065470, 1278564, 1415553, 1598205, 1887404, 2130940, 2359255, 2831106, 3196410, 3302957, 4718510, 5662212, 6392820, 6605914, 7077765, 9437020, 9908871, 13211828, 14155530, 16514785, 19817742, 28311060, 33029570, 39635484, 49544355, 66059140, 99088710, 198177420]

約数ペア:

[(1, 198177420), (2, 99088710), (3, 66059140), (4, 49544355), (5, 39635484), (6, 33029570), (7, 28311060), (10, 19817742), (12, 16514785), (14, 14155530), (15, 13211828), (20, 9908871), (21, 9437020), (28, 7077765), (30, 6605914), (31, 6392820), (35, 5662212), (42, 4718510), (60, 3302957), (62, 3196410), (70, 2831106), (84, 2359255), (93, 2130940), (105, 1887404), (124, 1598205), (140, 1415553), (155, 1278564), (186, 1065470), (210, 943702), (217, 913260), (310, 639282), (372, 532735), (420, 471851), (434, 456630), (465, 426188), (491, 403620), (620, 319641), (651, 304420), (868, 228315), (930, 213094), (961, 206220), (982, 201810), (1085, 182652), (1302, 152210), (1473, 134540), (1860, 106547), (1922, 103110), (1964, 100905), (2170, 91326), (2455, 80724), (2604, 76105), (2883, 68740), (2946, 67270), (3255, 60884), (3437, 57660), (3844, 51555), (4340, 45663), (4805, 41244), (4910, 40362), (5766, 34370), (5892, 33635), (6510, 30442), (6727, 29460), (6874, 28830), (7365, 26908), (9610, 20622), (9820, 20181), (10311, 19220), (11532, 17185), (13020, 15221), (13454, 14730), (13748, 14415)]