1803100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:119

約数の個数: 72

約数和(自身を含む): 4496240

約数和(自身を除く): 2693140

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 73, 76, 95, 100, 130, 146, 190, 247, 260, 292, 325, 365, 380, 475, 494, 650, 730, 949, 950, 988, 1235, 1300, 1387, 1460, 1825, 1898, 1900, 2470, 2774, 3650, 3796, 4745, 4940, 5548, 6175, 6935, 7300, 9490, 12350, 13870, 18031, 18980, 23725, 24700, 27740, 34675, 36062, 47450, 69350, 72124, 90155, 94900, 138700, 180310, 360620, 450775, 901550, 1803100]

約数ペア:

[(1, 1803100), (2, 901550), (4, 450775), (5, 360620), (10, 180310), (13, 138700), (19, 94900), (20, 90155), (25, 72124), (26, 69350), (38, 47450), (50, 36062), (52, 34675), (65, 27740), (73, 24700), (76, 23725), (95, 18980), (100, 18031), (130, 13870), (146, 12350), (190, 9490), (247, 7300), (260, 6935), (292, 6175), (325, 5548), (365, 4940), (380, 4745), (475, 3796), (494, 3650), (650, 2774), (730, 2470), (949, 1900), (950, 1898), (988, 1825), (1235, 1460), (1300, 1387)]