289654840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{6983}}^1$

素因数の和:7072

約数の個数: 64

約数和(自身を含む): 701472960

約数和(自身を除く): 411818120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 61, 68, 85, 122, 136, 170, 244, 305, 340, 488, 610, 680, 1037, 1220, 2074, 2440, 4148, 5185, 6983, 8296, 10370, 13966, 20740, 27932, 34915, 41480, 55864, 69830, 118711, 139660, 237422, 279320, 425963, 474844, 593555, 851926, 949688, 1187110, 1703852, 2129815, 2374220, 3407704, 4259630, 4748440, 7241371, 8519260, 14482742, 17038520, 28965484, 36206855, 57930968, 72413710, 144827420, 289654840]

約数ペア:

[(1, 289654840), (2, 144827420), (4, 72413710), (5, 57930968), (8, 36206855), (10, 28965484), (17, 17038520), (20, 14482742), (34, 8519260), (40, 7241371), (61, 4748440), (68, 4259630), (85, 3407704), (122, 2374220), (136, 2129815), (170, 1703852), (244, 1187110), (305, 949688), (340, 851926), (488, 593555), (610, 474844), (680, 425963), (1037, 279320), (1220, 237422), (2074, 139660), (2440, 118711), (4148, 69830), (5185, 55864), (6983, 41480), (8296, 34915), (10370, 27932), (13966, 20740)]