78201340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29399}}^1$

素因数の和:29434

約数の個数: 48

約数和(自身を含む): 197568000

約数和(自身を除く): 119366660

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 29399, 58798, 117596, 146995, 205793, 293990, 411586, 558581, 587980, 823172, 1028965, 1117162, 2057930, 2234324, 2792905, 3910067, 4115860, 5585810, 7820134, 11171620, 15640268, 19550335, 39100670, 78201340]

約数ペア:

[(1, 78201340), (2, 39100670), (4, 19550335), (5, 15640268), (7, 11171620), (10, 7820134), (14, 5585810), (19, 4115860), (20, 3910067), (28, 2792905), (35, 2234324), (38, 2057930), (70, 1117162), (76, 1028965), (95, 823172), (133, 587980), (140, 558581), (190, 411586), (266, 293990), (380, 205793), (532, 146995), (665, 117596), (1330, 58798), (2660, 29399)]