549397540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{197}}^1$

素因数の和:445

約数の個数: 96

約数和(自身を含む): 1257379200

約数和(自身を除く): 707981660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 179, 190, 197, 205, 358, 380, 394, 410, 716, 779, 788, 820, 895, 985, 1558, 1790, 1970, 3116, 3401, 3580, 3743, 3895, 3940, 6802, 7339, 7486, 7790, 8077, 13604, 14678, 14972, 15580, 16154, 17005, 18715, 29356, 32308, 34010, 35263, 36695, 37430, 40385, 68020, 70526, 73390, 74860, 80770, 139441, 141052, 146780, 153463, 161540, 176315, 278882, 306926, 352630, 557764, 613852, 669997, 697205, 705260, 767315, 1339994, 1394410, 1445783, 1534630, 2679988, 2788820, 2891566, 3069260, 3349985, 5783132, 6699970, 7228915, 13399940, 14457830, 27469877, 28915660, 54939754, 109879508, 137349385, 274698770, 549397540]

約数ペア:

[(1, 549397540), (2, 274698770), (4, 137349385), (5, 109879508), (10, 54939754), (19, 28915660), (20, 27469877), (38, 14457830), (41, 13399940), (76, 7228915), (82, 6699970), (95, 5783132), (164, 3349985), (179, 3069260), (190, 2891566), (197, 2788820), (205, 2679988), (358, 1534630), (380, 1445783), (394, 1394410), (410, 1339994), (716, 767315), (779, 705260), (788, 697205), (820, 669997), (895, 613852), (985, 557764), (1558, 352630), (1790, 306926), (1970, 278882), (3116, 176315), (3401, 161540), (3580, 153463), (3743, 146780), (3895, 141052), (3940, 139441), (6802, 80770), (7339, 74860), (7486, 73390), (7790, 70526), (8077, 68020), (13604, 40385), (14678, 37430), (14972, 36695), (15580, 35263), (16154, 34010), (17005, 32308), (18715, 29356)]