61497490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:307

約数の個数: 64

約数和(自身を含む): 123171840

約数和(自身を除く): 61674350

約数列:

[1, 2, 5, 10, 19, 31, 38, 53, 62, 95, 106, 155, 190, 197, 265, 310, 394, 530, 589, 985, 1007, 1178, 1643, 1970, 2014, 2945, 3286, 3743, 5035, 5890, 6107, 7486, 8215, 10070, 10441, 12214, 16430, 18715, 20882, 30535, 31217, 37430, 52205, 61070, 62434, 104410, 116033, 156085, 198379, 232066, 312170, 323671, 396758, 580165, 647342, 991895, 1160330, 1618355, 1983790, 3236710, 6149749, 12299498, 30748745, 61497490]

約数ペア:

[(1, 61497490), (2, 30748745), (5, 12299498), (10, 6149749), (19, 3236710), (31, 1983790), (38, 1618355), (53, 1160330), (62, 991895), (95, 647342), (106, 580165), (155, 396758), (190, 323671), (197, 312170), (265, 232066), (310, 198379), (394, 156085), (530, 116033), (589, 104410), (985, 62434), (1007, 61070), (1178, 52205), (1643, 37430), (1970, 31217), (2014, 30535), (2945, 20882), (3286, 18715), (3743, 16430), (5035, 12214), (5890, 10441), (6107, 10070), (7486, 8215)]