308087780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1399}}^1$

素因数の和:1450

約数の個数: 144

約数和(自身を含む): 875884800

約数和(自身を除く): 567797020

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 121, 130, 140, 143, 154, 182, 220, 242, 260, 286, 308, 364, 385, 455, 484, 572, 605, 715, 770, 847, 910, 1001, 1210, 1399, 1430, 1540, 1573, 1694, 1820, 2002, 2420, 2798, 2860, 3146, 3388, 4004, 4235, 5005, 5596, 6292, 6995, 7865, 8470, 9793, 10010, 11011, 13990, 15389, 15730, 16940, 18187, 19586, 20020, 22022, 27980, 30778, 31460, 36374, 39172, 44044, 48965, 55055, 61556, 72748, 76945, 90935, 97930, 107723, 110110, 127309, 153890, 169279, 181870, 195860, 200057, 215446, 220220, 254618, 307780, 338558, 363740, 400114, 430892, 509236, 538615, 636545, 677116, 800228, 846395, 1000285, 1077230, 1184953, 1273090, 1400399, 1692790, 2000570, 2154460, 2200627, 2369906, 2546180, 2800798, 3385580, 4001140, 4401254, 4739812, 5601596, 5924765, 7001995, 8802508, 11003135, 11849530, 14003990, 15404389, 22006270, 23699060, 28007980, 30808778, 44012540, 61617556, 77021945, 154043890, 308087780]

約数ペア:

[(1, 308087780), (2, 154043890), (4, 77021945), (5, 61617556), (7, 44012540), (10, 30808778), (11, 28007980), (13, 23699060), (14, 22006270), (20, 15404389), (22, 14003990), (26, 11849530), (28, 11003135), (35, 8802508), (44, 7001995), (52, 5924765), (55, 5601596), (65, 4739812), (70, 4401254), (77, 4001140), (91, 3385580), (110, 2800798), (121, 2546180), (130, 2369906), (140, 2200627), (143, 2154460), (154, 2000570), (182, 1692790), (220, 1400399), (242, 1273090), (260, 1184953), (286, 1077230), (308, 1000285), (364, 846395), (385, 800228), (455, 677116), (484, 636545), (572, 538615), (605, 509236), (715, 430892), (770, 400114), (847, 363740), (910, 338558), (1001, 307780), (1210, 254618), (1399, 220220), (1430, 215446), (1540, 200057), (1573, 195860), (1694, 181870), (1820, 169279), (2002, 153890), (2420, 127309), (2798, 110110), (2860, 107723), (3146, 97930), (3388, 90935), (4004, 76945), (4235, 72748), (5005, 61556), (5596, 55055), (6292, 48965), (6995, 44044), (7865, 39172), (8470, 36374), (9793, 31460), (10010, 30778), (11011, 27980), (13990, 22022), (15389, 20020), (15730, 19586), (16940, 18187)]