1968551420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{613}}^1\times {\mathrm{1327}}^1$

素因数の和:1971

約数の個数: 72

約数和(自身を含む): 4554779712

約数和(自身を除く): 2586228292

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 613, 1210, 1226, 1327, 2420, 2452, 2654, 3065, 5308, 6130, 6635, 6743, 12260, 13270, 13486, 14597, 26540, 26972, 29194, 33715, 58388, 67430, 72985, 74173, 134860, 145970, 148346, 160567, 291940, 296692, 321134, 370865, 642268, 741730, 802835, 813451, 1483460, 1605670, 1626902, 3211340, 3253804, 4067255, 8134510, 8947961, 16269020, 17895922, 35791844, 44739805, 89479610, 98427571, 178959220, 196855142, 393710284, 492137855, 984275710, 1968551420]

約数ペア:

[(1, 1968551420), (2, 984275710), (4, 492137855), (5, 393710284), (10, 196855142), (11, 178959220), (20, 98427571), (22, 89479610), (44, 44739805), (55, 35791844), (110, 17895922), (121, 16269020), (220, 8947961), (242, 8134510), (484, 4067255), (605, 3253804), (613, 3211340), (1210, 1626902), (1226, 1605670), (1327, 1483460), (2420, 813451), (2452, 802835), (2654, 741730), (3065, 642268), (5308, 370865), (6130, 321134), (6635, 296692), (6743, 291940), (12260, 160567), (13270, 148346), (13486, 145970), (14597, 134860), (26540, 74173), (26972, 72985), (29194, 67430), (33715, 58388)]