634251320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1\times {\mathrm{829}}^1$

素因数の和:1488

約数の個数: 64

約数和(自身を含む): 1477267200

約数和(自身を除く): 843015880

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 617, 620, 829, 1234, 1240, 1658, 2468, 3085, 3316, 4145, 4936, 6170, 6632, 8290, 12340, 16580, 19127, 24680, 25699, 33160, 38254, 51398, 76508, 95635, 102796, 128495, 153016, 191270, 205592, 256990, 382540, 511493, 513980, 765080, 1022986, 1027960, 2045972, 2557465, 4091944, 5114930, 10229860, 15856283, 20459720, 31712566, 63425132, 79281415, 126850264, 158562830, 317125660, 634251320]

約数ペア:

[(1, 634251320), (2, 317125660), (4, 158562830), (5, 126850264), (8, 79281415), (10, 63425132), (20, 31712566), (31, 20459720), (40, 15856283), (62, 10229860), (124, 5114930), (155, 4091944), (248, 2557465), (310, 2045972), (617, 1027960), (620, 1022986), (829, 765080), (1234, 513980), (1240, 511493), (1658, 382540), (2468, 256990), (3085, 205592), (3316, 191270), (4145, 153016), (4936, 128495), (6170, 102796), (6632, 95635), (8290, 76508), (12340, 51398), (16580, 38254), (19127, 33160), (24680, 25699)]