397349460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{27943}}^1$

素因数の和:28037

約数の個数: 72

約数和(自身を含む): 1220593920

約数和(自身を除く): 823244460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2370, 2844, 3555, 4740, 7110, 14220, 27943, 55886, 83829, 111772, 139715, 167658, 251487, 279430, 335316, 419145, 502974, 558860, 838290, 1005948, 1257435, 1676580, 2207497, 2514870, 4414994, 5029740, 6622491, 8829988, 11037485, 13244982, 19867473, 22074970, 26489964, 33112455, 39734946, 44149940, 66224910, 79469892, 99337365, 132449820, 198674730, 397349460]

約数ペア:

[(1, 397349460), (2, 198674730), (3, 132449820), (4, 99337365), (5, 79469892), (6, 66224910), (9, 44149940), (10, 39734946), (12, 33112455), (15, 26489964), (18, 22074970), (20, 19867473), (30, 13244982), (36, 11037485), (45, 8829988), (60, 6622491), (79, 5029740), (90, 4414994), (158, 2514870), (180, 2207497), (237, 1676580), (316, 1257435), (395, 1005948), (474, 838290), (711, 558860), (790, 502974), (948, 419145), (1185, 335316), (1422, 279430), (1580, 251487), (2370, 167658), (2844, 139715), (3555, 111772), (4740, 83829), (7110, 55886), (14220, 27943)]