400153968

素因数分解:

$2^4\times 3^2\times {\mathrm{89}}^1\times {\mathrm{31223}}^1$

素因数の和:31326

約数の個数: 60

約数和(自身を含む): 1132494480

約数和(自身を除く): 732340512

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, 31223, 62446, 93669, 124892, 187338, 249784, 281007, 374676, 499568, 562014, 749352, 1124028, 1498704, 2248056, 2778847, 4496112, 5557694, 8336541, 11115388, 16673082, 22230776, 25009623, 33346164, 44461552, 50019246, 66692328, 100038492, 133384656, 200076984, 400153968]

約数ペア:

[(1, 400153968), (2, 200076984), (3, 133384656), (4, 100038492), (6, 66692328), (8, 50019246), (9, 44461552), (12, 33346164), (16, 25009623), (18, 22230776), (24, 16673082), (36, 11115388), (48, 8336541), (72, 5557694), (89, 4496112), (144, 2778847), (178, 2248056), (267, 1498704), (356, 1124028), (534, 749352), (712, 562014), (801, 499568), (1068, 374676), (1424, 281007), (1602, 249784), (2136, 187338), (3204, 124892), (4272, 93669), (6408, 62446), (12816, 31223)]