287718340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1399}}^1$

素因数の和:1541

約数の個数: 96

約数和(自身を含む): 750758400

約数和(自身を除く): 463040060

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 113, 130, 140, 182, 226, 260, 364, 452, 455, 565, 791, 910, 1130, 1399, 1469, 1582, 1820, 2260, 2798, 2938, 3164, 3955, 5596, 5876, 6995, 7345, 7910, 9793, 10283, 13990, 14690, 15820, 18187, 19586, 20566, 27980, 29380, 36374, 39172, 41132, 48965, 51415, 72748, 90935, 97930, 102830, 127309, 158087, 181870, 195860, 205660, 254618, 316174, 363740, 509236, 632348, 636545, 790435, 1106609, 1273090, 1580870, 2055131, 2213218, 2546180, 3161740, 4110262, 4426436, 5533045, 8220524, 10275655, 11066090, 14385917, 20551310, 22132180, 28771834, 41102620, 57543668, 71929585, 143859170, 287718340]

約数ペア:

[(1, 287718340), (2, 143859170), (4, 71929585), (5, 57543668), (7, 41102620), (10, 28771834), (13, 22132180), (14, 20551310), (20, 14385917), (26, 11066090), (28, 10275655), (35, 8220524), (52, 5533045), (65, 4426436), (70, 4110262), (91, 3161740), (113, 2546180), (130, 2213218), (140, 2055131), (182, 1580870), (226, 1273090), (260, 1106609), (364, 790435), (452, 636545), (455, 632348), (565, 509236), (791, 363740), (910, 316174), (1130, 254618), (1399, 205660), (1469, 195860), (1582, 181870), (1820, 158087), (2260, 127309), (2798, 102830), (2938, 97930), (3164, 90935), (3955, 72748), (5596, 51415), (5876, 48965), (6995, 41132), (7345, 39172), (7910, 36374), (9793, 29380), (10283, 27980), (13990, 20566), (14690, 19586), (15820, 18187)]