31201554580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{653}}^1\times {\mathrm{48757}}^1$

素因数の和:49433

約数の個数: 72

約数和(自身を含む): 76339230408

約数和(自身を除く): 45137675828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 653, 980, 1306, 2612, 3265, 4571, 6530, 9142, 13060, 18284, 22855, 31997, 45710, 48757, 63994, 91420, 97514, 127988, 159985, 195028, 243785, 319970, 341299, 487570, 639940, 682598, 975140, 1365196, 1706495, 2389093, 3412990, 4778186, 6825980, 9556372, 11945465, 23890930, 31838321, 47781860, 63676642, 127353284, 159191605, 222868247, 318383210, 445736494, 636766420, 891472988, 1114341235, 1560077729, 2228682470, 3120155458, 4457364940, 6240310916, 7800388645, 15600777290, 31201554580]

約数ペア:

[(1, 31201554580), (2, 15600777290), (4, 7800388645), (5, 6240310916), (7, 4457364940), (10, 3120155458), (14, 2228682470), (20, 1560077729), (28, 1114341235), (35, 891472988), (49, 636766420), (70, 445736494), (98, 318383210), (140, 222868247), (196, 159191605), (245, 127353284), (490, 63676642), (653, 47781860), (980, 31838321), (1306, 23890930), (2612, 11945465), (3265, 9556372), (4571, 6825980), (6530, 4778186), (9142, 3412990), (13060, 2389093), (18284, 1706495), (22855, 1365196), (31997, 975140), (45710, 682598), (48757, 639940), (63994, 487570), (91420, 341299), (97514, 319970), (127988, 243785), (159985, 195028)]