291222920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{461}}^1\times {\mathrm{929}}^1$

素因数の和:1418

約数の個数: 64

約数和(自身を含む): 696049200

約数和(自身を除く): 404826280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 461, 680, 922, 929, 1844, 1858, 2305, 3688, 3716, 4610, 4645, 7432, 7837, 9220, 9290, 15674, 15793, 18440, 18580, 31348, 31586, 37160, 39185, 62696, 63172, 78370, 78965, 126344, 156740, 157930, 313480, 315860, 428269, 631720, 856538, 1713076, 2141345, 3426152, 4282690, 7280573, 8565380, 14561146, 17130760, 29122292, 36402865, 58244584, 72805730, 145611460, 291222920]

約数ペア:

[(1, 291222920), (2, 145611460), (4, 72805730), (5, 58244584), (8, 36402865), (10, 29122292), (17, 17130760), (20, 14561146), (34, 8565380), (40, 7280573), (68, 4282690), (85, 3426152), (136, 2141345), (170, 1713076), (340, 856538), (461, 631720), (680, 428269), (922, 315860), (929, 313480), (1844, 157930), (1858, 156740), (2305, 126344), (3688, 78965), (3716, 78370), (4610, 63172), (4645, 62696), (7432, 39185), (7837, 37160), (9220, 31586), (9290, 31348), (15674, 18580), (15793, 18440)]