1235804540240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{908679809}}^1$

素因数の和:908679839

約数の個数: 40

約数和(自身を含む): 3042260003880

約数和(自身を除く): 1806455463640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 908679809, 1817359618, 3634719236, 4543399045, 7269438472, 9086798090, 14538876944, 15447556753, 18173596180, 30895113506, 36347192360, 61790227012, 72694384720, 77237783765, 123580454024, 154475567530, 247160908048, 308951135060, 617902270120, 1235804540240]

約数ペア:

[(1, 1235804540240), (2, 617902270120), (4, 308951135060), (5, 247160908048), (8, 154475567530), (10, 123580454024), (16, 77237783765), (17, 72694384720), (20, 61790227012), (34, 36347192360), (40, 30895113506), (68, 18173596180), (80, 15447556753), (85, 14538876944), (136, 9086798090), (170, 7269438472), (272, 4543399045), (340, 3634719236), (680, 1817359618), (1360, 908679809)]