995880820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^4\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:251

約数の個数: 120

約数和(自身を含む): 2435076000

約数和(自身を除く): 1439195180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 121, 179, 190, 209, 220, 242, 358, 380, 418, 484, 605, 716, 836, 895, 1045, 1210, 1331, 1790, 1969, 2090, 2299, 2420, 2662, 3401, 3580, 3938, 4180, 4598, 5324, 6655, 6802, 7876, 9196, 9845, 11495, 13310, 13604, 14641, 17005, 19690, 21659, 22990, 25289, 26620, 29282, 34010, 37411, 39380, 43318, 45980, 50578, 58564, 68020, 73205, 74822, 86636, 101156, 108295, 126445, 146410, 149644, 187055, 216590, 238249, 252890, 278179, 292820, 374110, 411521, 433180, 476498, 505780, 556358, 748220, 823042, 952996, 1112716, 1191245, 1390895, 1646084, 2057605, 2382490, 2620739, 2781790, 4115210, 4526731, 4764980, 5241478, 5563580, 8230420, 9053462, 10482956, 13103695, 18106924, 22633655, 26207390, 45267310, 49794041, 52414780, 90534620, 99588082, 199176164, 248970205, 497940410, 995880820]

約数ペア:

[(1, 995880820), (2, 497940410), (4, 248970205), (5, 199176164), (10, 99588082), (11, 90534620), (19, 52414780), (20, 49794041), (22, 45267310), (38, 26207390), (44, 22633655), (55, 18106924), (76, 13103695), (95, 10482956), (110, 9053462), (121, 8230420), (179, 5563580), (190, 5241478), (209, 4764980), (220, 4526731), (242, 4115210), (358, 2781790), (380, 2620739), (418, 2382490), (484, 2057605), (605, 1646084), (716, 1390895), (836, 1191245), (895, 1112716), (1045, 952996), (1210, 823042), (1331, 748220), (1790, 556358), (1969, 505780), (2090, 476498), (2299, 433180), (2420, 411521), (2662, 374110), (3401, 292820), (3580, 278179), (3938, 252890), (4180, 238249), (4598, 216590), (5324, 187055), (6655, 149644), (6802, 146410), (7876, 126445), (9196, 108295), (9845, 101156), (11495, 86636), (13310, 74822), (13604, 73205), (14641, 68020), (17005, 58564), (19690, 50578), (21659, 45980), (22990, 43318), (25289, 39380), (26620, 37411), (29282, 34010)]