398447030

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:573

約数の個数: 64

約数和(自身を含む): 770052096

約数和(自身を除く): 371605066

約数列:

[1, 2, 5, 10, 31, 43, 62, 71, 86, 142, 155, 215, 310, 355, 421, 430, 710, 842, 1333, 2105, 2201, 2666, 3053, 4210, 4402, 6106, 6665, 11005, 13051, 13330, 15265, 18103, 22010, 26102, 29891, 30530, 36206, 59782, 65255, 90515, 94643, 130510, 149455, 181030, 189286, 298910, 473215, 561193, 926621, 946430, 1122386, 1285313, 1853242, 2570626, 2805965, 4633105, 5611930, 6426565, 9266210, 12853130, 39844703, 79689406, 199223515, 398447030]

約数ペア:

[(1, 398447030), (2, 199223515), (5, 79689406), (10, 39844703), (31, 12853130), (43, 9266210), (62, 6426565), (71, 5611930), (86, 4633105), (142, 2805965), (155, 2570626), (215, 1853242), (310, 1285313), (355, 1122386), (421, 946430), (430, 926621), (710, 561193), (842, 473215), (1333, 298910), (2105, 189286), (2201, 181030), (2666, 149455), (3053, 130510), (4210, 94643), (4402, 90515), (6106, 65255), (6665, 59782), (11005, 36206), (13051, 30530), (13330, 29891), (15265, 26102), (18103, 22010)]