7297420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 17708544

約数和(自身を除く): 10411124

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 127, 130, 169, 170, 221, 254, 260, 338, 340, 442, 508, 635, 676, 845, 884, 1105, 1270, 1651, 1690, 2159, 2210, 2540, 2873, 3302, 3380, 4318, 4420, 5746, 6604, 8255, 8636, 10795, 11492, 14365, 16510, 21463, 21590, 28067, 28730, 33020, 42926, 43180, 56134, 57460, 85852, 107315, 112268, 140335, 214630, 280670, 364871, 429260, 561340, 729742, 1459484, 1824355, 3648710, 7297420]

約数ペア:

[(1, 7297420), (2, 3648710), (4, 1824355), (5, 1459484), (10, 729742), (13, 561340), (17, 429260), (20, 364871), (26, 280670), (34, 214630), (52, 140335), (65, 112268), (68, 107315), (85, 85852), (127, 57460), (130, 56134), (169, 43180), (170, 42926), (221, 33020), (254, 28730), (260, 28067), (338, 21590), (340, 21463), (442, 16510), (508, 14365), (635, 11492), (676, 10795), (845, 8636), (884, 8255), (1105, 6604), (1270, 5746), (1651, 4420), (1690, 4318), (2159, 3380), (2210, 3302), (2540, 2873)]