400256496

素因数分解:

$2^4\times 3^2\times {\mathrm{89}}^1\times {\mathrm{31231}}^1$

素因数の和:31334

約数の個数: 60

約数和(自身を含む): 1132784640

約数和(自身を除く): 732528144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 89, 144, 178, 267, 356, 534, 712, 801, 1068, 1424, 1602, 2136, 3204, 4272, 6408, 12816, 31231, 62462, 93693, 124924, 187386, 249848, 281079, 374772, 499696, 562158, 749544, 1124316, 1499088, 2248632, 2779559, 4497264, 5559118, 8338677, 11118236, 16677354, 22236472, 25016031, 33354708, 44472944, 50032062, 66709416, 100064124, 133418832, 200128248, 400256496]

約数ペア:

[(1, 400256496), (2, 200128248), (3, 133418832), (4, 100064124), (6, 66709416), (8, 50032062), (9, 44472944), (12, 33354708), (16, 25016031), (18, 22236472), (24, 16677354), (36, 11118236), (48, 8338677), (72, 5559118), (89, 4497264), (144, 2779559), (178, 2248632), (267, 1499088), (356, 1124316), (534, 749544), (712, 562158), (801, 499696), (1068, 374772), (1424, 281079), (1602, 249848), (2136, 187386), (3204, 124924), (4272, 93693), (6408, 62462), (12816, 31231)]