919372220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{821}}^1$

素因数の和:975

約数の個数: 96

約数和(自身を含む): 2146011840

約数和(自身を除く): 1226639620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 73, 118, 130, 146, 236, 260, 292, 295, 365, 590, 730, 767, 821, 949, 1180, 1460, 1534, 1642, 1898, 3068, 3284, 3796, 3835, 4105, 4307, 4745, 7670, 8210, 8614, 9490, 10673, 15340, 16420, 17228, 18980, 21346, 21535, 42692, 43070, 48439, 53365, 55991, 59933, 86140, 96878, 106730, 111982, 119866, 193756, 213460, 223964, 239732, 242195, 279955, 299665, 484390, 559910, 599330, 629707, 779129, 968780, 1119820, 1198660, 1259414, 1558258, 2518828, 3116516, 3148535, 3536047, 3895645, 6297070, 7072094, 7791290, 12594140, 14144188, 15582580, 17680235, 35360470, 45968611, 70720940, 91937222, 183874444, 229843055, 459686110, 919372220]

約数ペア:

[(1, 919372220), (2, 459686110), (4, 229843055), (5, 183874444), (10, 91937222), (13, 70720940), (20, 45968611), (26, 35360470), (52, 17680235), (59, 15582580), (65, 14144188), (73, 12594140), (118, 7791290), (130, 7072094), (146, 6297070), (236, 3895645), (260, 3536047), (292, 3148535), (295, 3116516), (365, 2518828), (590, 1558258), (730, 1259414), (767, 1198660), (821, 1119820), (949, 968780), (1180, 779129), (1460, 629707), (1534, 599330), (1642, 559910), (1898, 484390), (3068, 299665), (3284, 279955), (3796, 242195), (3835, 239732), (4105, 223964), (4307, 213460), (4745, 193756), (7670, 119866), (8210, 111982), (8614, 106730), (9490, 96878), (10673, 86140), (15340, 59933), (16420, 55991), (17228, 53365), (18980, 48439), (21346, 43070), (21535, 42692)]