838874940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{196919}}^1$

素因数の和:197002

約数の個数: 48

約数和(自身を含む): 2381944320

約数和(自身を除く): 1543069380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 196919, 393838, 590757, 787676, 984595, 1181514, 1969190, 2363028, 2953785, 3938380, 5907570, 11815140, 13981249, 27962498, 41943747, 55924996, 69906245, 83887494, 139812490, 167774988, 209718735, 279624980, 419437470, 838874940]

約数ペア:

[(1, 838874940), (2, 419437470), (3, 279624980), (4, 209718735), (5, 167774988), (6, 139812490), (10, 83887494), (12, 69906245), (15, 55924996), (20, 41943747), (30, 27962498), (60, 13981249), (71, 11815140), (142, 5907570), (213, 3938380), (284, 2953785), (355, 2363028), (426, 1969190), (710, 1181514), (852, 984595), (1065, 787676), (1420, 590757), (2130, 393838), (4260, 196919)]