200780450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{23761}}^1$

素因数の和:23799

約数の個数: 36

約数和(自身を含む): 404405478

約数和(自身を除く): 203625028

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 325, 338, 650, 845, 1690, 4225, 8450, 23761, 47522, 118805, 237610, 308893, 594025, 617786, 1188050, 1544465, 3088930, 4015609, 7722325, 8031218, 15444650, 20078045, 40156090, 100390225, 200780450]

約数ペア:

[(1, 200780450), (2, 100390225), (5, 40156090), (10, 20078045), (13, 15444650), (25, 8031218), (26, 7722325), (50, 4015609), (65, 3088930), (130, 1544465), (169, 1188050), (325, 617786), (338, 594025), (650, 308893), (845, 237610), (1690, 118805), (4225, 47522), (8450, 23761)]