28274031940

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{53527}}^1$

素因数の和:53575

約数の個数: 120

約数和(自身を含む): 75565691712

約数和(自身を除く): 47291659772

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 343, 385, 490, 539, 686, 770, 980, 1078, 1372, 1540, 1715, 2156, 2401, 2695, 3430, 3773, 4802, 5390, 6860, 7546, 9604, 10780, 12005, 15092, 18865, 24010, 26411, 37730, 48020, 52822, 53527, 75460, 105644, 107054, 132055, 214108, 264110, 267635, 374689, 528220, 535270, 588797, 749378, 1070540, 1177594, 1498756, 1873445, 2355188, 2622823, 2943985, 3746890, 4121579, 5245646, 5887970, 7493780, 8243158, 10491292, 11775940, 13114115, 16486316, 18359761, 20607895, 26228230, 28851053, 36719522, 41215790, 52456460, 57702106, 73439044, 82431580, 91798805, 115404212, 128518327, 144255265, 183597610, 201957371, 257036654, 288510530, 367195220, 403914742, 514073308, 577021060, 642591635, 807829484, 1009786855, 1285183270, 1413701597, 2019573710, 2570366540, 2827403194, 4039147420, 5654806388, 7068507985, 14137015970, 28274031940]

約数ペア:

[(1, 28274031940), (2, 14137015970), (4, 7068507985), (5, 5654806388), (7, 4039147420), (10, 2827403194), (11, 2570366540), (14, 2019573710), (20, 1413701597), (22, 1285183270), (28, 1009786855), (35, 807829484), (44, 642591635), (49, 577021060), (55, 514073308), (70, 403914742), (77, 367195220), (98, 288510530), (110, 257036654), (140, 201957371), (154, 183597610), (196, 144255265), (220, 128518327), (245, 115404212), (308, 91798805), (343, 82431580), (385, 73439044), (490, 57702106), (539, 52456460), (686, 41215790), (770, 36719522), (980, 28851053), (1078, 26228230), (1372, 20607895), (1540, 18359761), (1715, 16486316), (2156, 13114115), (2401, 11775940), (2695, 10491292), (3430, 8243158), (3773, 7493780), (4802, 5887970), (5390, 5245646), (6860, 4121579), (7546, 3746890), (9604, 2943985), (10780, 2622823), (12005, 2355188), (15092, 1873445), (18865, 1498756), (24010, 1177594), (26411, 1070540), (37730, 749378), (48020, 588797), (52822, 535270), (53527, 528220), (75460, 374689), (105644, 267635), (107054, 264110), (132055, 214108)]