90177640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{331}}^1$

素因数の和:495

約数の個数: 96

約数和(自身を含む): 238442400

約数和(自身を除く): 148264760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 139, 140, 196, 245, 278, 280, 331, 392, 490, 556, 662, 695, 973, 980, 1112, 1324, 1390, 1655, 1946, 1960, 2317, 2648, 2780, 3310, 3892, 4634, 4865, 5560, 6620, 6811, 7784, 9268, 9730, 11585, 13240, 13622, 16219, 18536, 19460, 23170, 27244, 32438, 34055, 38920, 46009, 46340, 54488, 64876, 68110, 81095, 92018, 92680, 129752, 136220, 162190, 184036, 230045, 272440, 322063, 324380, 368072, 460090, 644126, 648760, 920180, 1288252, 1610315, 1840360, 2254441, 2576504, 3220630, 4508882, 6441260, 9017764, 11272205, 12882520, 18035528, 22544410, 45088820, 90177640]

約数ペア:

[(1, 90177640), (2, 45088820), (4, 22544410), (5, 18035528), (7, 12882520), (8, 11272205), (10, 9017764), (14, 6441260), (20, 4508882), (28, 3220630), (35, 2576504), (40, 2254441), (49, 1840360), (56, 1610315), (70, 1288252), (98, 920180), (139, 648760), (140, 644126), (196, 460090), (245, 368072), (278, 324380), (280, 322063), (331, 272440), (392, 230045), (490, 184036), (556, 162190), (662, 136220), (695, 129752), (973, 92680), (980, 92018), (1112, 81095), (1324, 68110), (1390, 64876), (1655, 54488), (1946, 46340), (1960, 46009), (2317, 38920), (2648, 34055), (2780, 32438), (3310, 27244), (3892, 23170), (4634, 19460), (4865, 18536), (5560, 16219), (6620, 13622), (6811, 13240), (7784, 11585), (9268, 9730)]