87398920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10069}}^1$

素因数の和:10118

約数の個数: 64

約数和(自身を含む): 232012800

約数和(自身を除く): 144613880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 10069, 20138, 40276, 50345, 70483, 80552, 100690, 140966, 201380, 281932, 312139, 352415, 402760, 563864, 624278, 704830, 1248556, 1409660, 1560695, 2184973, 2497112, 2819320, 3121390, 4369946, 6242780, 8739892, 10924865, 12485560, 17479784, 21849730, 43699460, 87398920]

約数ペア:

[(1, 87398920), (2, 43699460), (4, 21849730), (5, 17479784), (7, 12485560), (8, 10924865), (10, 8739892), (14, 6242780), (20, 4369946), (28, 3121390), (31, 2819320), (35, 2497112), (40, 2184973), (56, 1560695), (62, 1409660), (70, 1248556), (124, 704830), (140, 624278), (155, 563864), (217, 402760), (248, 352415), (280, 312139), (310, 281932), (434, 201380), (620, 140966), (868, 100690), (1085, 80552), (1240, 70483), (1736, 50345), (2170, 40276), (4340, 20138), (8680, 10069)]