2021479980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{199357}}^1$

素因数の和:199395

約数の個数: 72

約数和(自身を含む): 6129062352

約数和(自身を除く): 4107582372

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 1014, 1690, 2028, 2535, 3380, 5070, 10140, 199357, 398714, 598071, 797428, 996785, 1196142, 1993570, 2392284, 2591641, 2990355, 3987140, 5183282, 5980710, 7774923, 10366564, 11961420, 12958205, 15549846, 25916410, 31099692, 33691333, 38874615, 51832820, 67382666, 77749230, 101073999, 134765332, 155498460, 168456665, 202147998, 336913330, 404295996, 505369995, 673826660, 1010739990, 2021479980]

約数ペア:

[(1, 2021479980), (2, 1010739990), (3, 673826660), (4, 505369995), (5, 404295996), (6, 336913330), (10, 202147998), (12, 168456665), (13, 155498460), (15, 134765332), (20, 101073999), (26, 77749230), (30, 67382666), (39, 51832820), (52, 38874615), (60, 33691333), (65, 31099692), (78, 25916410), (130, 15549846), (156, 12958205), (169, 11961420), (195, 10366564), (260, 7774923), (338, 5980710), (390, 5183282), (507, 3987140), (676, 2990355), (780, 2591641), (845, 2392284), (1014, 1993570), (1690, 1196142), (2028, 996785), (2535, 797428), (3380, 598071), (5070, 398714), (10140, 199357)]