198620720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{283}}^2$

素因数の和:610

約数の個数: 60

約数和(自身を含む): 478380096

約数和(自身を除く): 279759376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 283, 310, 496, 566, 620, 1132, 1240, 1415, 2264, 2480, 2830, 4528, 5660, 8773, 11320, 17546, 22640, 35092, 43865, 70184, 80089, 87730, 140368, 160178, 175460, 320356, 350920, 400445, 640712, 701840, 800890, 1281424, 1601780, 2482759, 3203560, 4965518, 6407120, 9931036, 12413795, 19862072, 24827590, 39724144, 49655180, 99310360, 198620720]

約数ペア:

[(1, 198620720), (2, 99310360), (4, 49655180), (5, 39724144), (8, 24827590), (10, 19862072), (16, 12413795), (20, 9931036), (31, 6407120), (40, 4965518), (62, 3203560), (80, 2482759), (124, 1601780), (155, 1281424), (248, 800890), (283, 701840), (310, 640712), (496, 400445), (566, 350920), (620, 320356), (1132, 175460), (1240, 160178), (1415, 140368), (2264, 87730), (2480, 80089), (2830, 70184), (4528, 43865), (5660, 35092), (8773, 22640), (11320, 17546)]