127978210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:579

約数の個数: 64

約数和(自身を含む): 258660864

約数和(自身を除く): 130682654

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 71, 85, 115, 142, 170, 230, 355, 391, 461, 710, 782, 922, 1207, 1633, 1955, 2305, 2414, 3266, 3910, 4610, 6035, 7837, 8165, 10603, 12070, 15674, 16330, 21206, 27761, 32731, 39185, 53015, 55522, 65462, 78370, 106030, 138805, 163655, 180251, 277610, 327310, 360502, 556427, 752813, 901255, 1112854, 1505626, 1802510, 2782135, 3764065, 5564270, 7528130, 12797821, 25595642, 63989105, 127978210]

約数ペア:

[(1, 127978210), (2, 63989105), (5, 25595642), (10, 12797821), (17, 7528130), (23, 5564270), (34, 3764065), (46, 2782135), (71, 1802510), (85, 1505626), (115, 1112854), (142, 901255), (170, 752813), (230, 556427), (355, 360502), (391, 327310), (461, 277610), (710, 180251), (782, 163655), (922, 138805), (1207, 106030), (1633, 78370), (1955, 65462), (2305, 55522), (2414, 53015), (3266, 39185), (3910, 32731), (4610, 27761), (6035, 21206), (7837, 16330), (8165, 15674), (10603, 12070)]