129754840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1\times {\mathrm{389}}^1$

素因数の和:700

約数の個数: 64

約数和(自身を含む): 303264000

約数和(自身を除く): 173509160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 269, 310, 389, 538, 620, 778, 1076, 1240, 1345, 1556, 1945, 2152, 2690, 3112, 3890, 5380, 7780, 8339, 10760, 12059, 15560, 16678, 24118, 33356, 41695, 48236, 60295, 66712, 83390, 96472, 104641, 120590, 166780, 209282, 241180, 333560, 418564, 482360, 523205, 837128, 1046410, 2092820, 3243871, 4185640, 6487742, 12975484, 16219355, 25950968, 32438710, 64877420, 129754840]

約数ペア:

[(1, 129754840), (2, 64877420), (4, 32438710), (5, 25950968), (8, 16219355), (10, 12975484), (20, 6487742), (31, 4185640), (40, 3243871), (62, 2092820), (124, 1046410), (155, 837128), (248, 523205), (269, 482360), (310, 418564), (389, 333560), (538, 241180), (620, 209282), (778, 166780), (1076, 120590), (1240, 104641), (1345, 96472), (1556, 83390), (1945, 66712), (2152, 60295), (2690, 48236), (3112, 41695), (3890, 33356), (5380, 24118), (7780, 16678), (8339, 15560), (10760, 12059)]