231401380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{86993}}^1$

素因数の和:87028

約数の個数: 48

約数和(自身を含む): 584599680

約数和(自身を除く): 353198300

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 86993, 173986, 347972, 434965, 608951, 869930, 1217902, 1652867, 1739860, 2435804, 3044755, 3305734, 6089510, 6611468, 8264335, 11570069, 12179020, 16528670, 23140138, 33057340, 46280276, 57850345, 115700690, 231401380]

約数ペア:

[(1, 231401380), (2, 115700690), (4, 57850345), (5, 46280276), (7, 33057340), (10, 23140138), (14, 16528670), (19, 12179020), (20, 11570069), (28, 8264335), (35, 6611468), (38, 6089510), (70, 3305734), (76, 3044755), (95, 2435804), (133, 1739860), (140, 1652867), (190, 1217902), (266, 869930), (380, 608951), (532, 434965), (665, 347972), (1330, 173986), (2660, 86993)]