198319940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{108967}}^1$

素因数の和:108996

約数の個数: 48

約数和(自身を含む): 512585472

約数和(自身を除く): 314265532

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 108967, 217934, 435868, 544835, 762769, 1089670, 1416571, 1525538, 2179340, 2833142, 3051076, 3813845, 5666284, 7082855, 7627690, 9915997, 14165710, 15255380, 19831994, 28331420, 39663988, 49579985, 99159970, 198319940]

約数ペア:

[(1, 198319940), (2, 99159970), (4, 49579985), (5, 39663988), (7, 28331420), (10, 19831994), (13, 15255380), (14, 14165710), (20, 9915997), (26, 7627690), (28, 7082855), (35, 5666284), (52, 3813845), (65, 3051076), (70, 2833142), (91, 2179340), (130, 1525538), (140, 1416571), (182, 1089670), (260, 762769), (364, 544835), (455, 435868), (910, 217934), (1820, 108967)]