318810571880

素因数分解:

$2^3\times 5^1\times {\mathrm{659}}^1\times {\mathrm{673}}^1\times {\mathrm{17971}}^1$

素因数の和:19314

約数の個数: 64

約数和(自身を含む): 719519803200

約数和(自身を除く): 400709231320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 659, 673, 1318, 1346, 2636, 2692, 3295, 3365, 5272, 5384, 6590, 6730, 13180, 13460, 17971, 26360, 26920, 35942, 71884, 89855, 143768, 179710, 359420, 443507, 718840, 887014, 1774028, 2217535, 3548056, 4435070, 8870140, 11842889, 12094483, 17740280, 23685778, 24188966, 47371556, 48377932, 59214445, 60472415, 94743112, 96755864, 118428890, 120944830, 236857780, 241889660, 473715560, 483779320, 7970264297, 15940528594, 31881057188, 39851321485, 63762114376, 79702642970, 159405285940, 318810571880]

約数ペア:

[(1, 318810571880), (2, 159405285940), (4, 79702642970), (5, 63762114376), (8, 39851321485), (10, 31881057188), (20, 15940528594), (40, 7970264297), (659, 483779320), (673, 473715560), (1318, 241889660), (1346, 236857780), (2636, 120944830), (2692, 118428890), (3295, 96755864), (3365, 94743112), (5272, 60472415), (5384, 59214445), (6590, 48377932), (6730, 47371556), (13180, 24188966), (13460, 23685778), (17971, 17740280), (26360, 12094483), (26920, 11842889), (35942, 8870140), (71884, 4435070), (89855, 3548056), (143768, 2217535), (179710, 1774028), (359420, 887014), (443507, 718840)]