154784140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{2677}}^1$

素因数の和:2759

約数の個数: 72

約数和(自身を含む): 384667920

約数和(自身を除く): 229883780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 59, 70, 98, 118, 140, 196, 236, 245, 295, 413, 490, 590, 826, 980, 1180, 1652, 2065, 2677, 2891, 4130, 5354, 5782, 8260, 10708, 11564, 13385, 14455, 18739, 26770, 28910, 37478, 53540, 57820, 74956, 93695, 131173, 157943, 187390, 262346, 315886, 374780, 524692, 631772, 655865, 789715, 1105601, 1311730, 1579430, 2211202, 2623460, 3158860, 4422404, 5528005, 7739207, 11056010, 15478414, 22112020, 30956828, 38696035, 77392070, 154784140]

約数ペア:

[(1, 154784140), (2, 77392070), (4, 38696035), (5, 30956828), (7, 22112020), (10, 15478414), (14, 11056010), (20, 7739207), (28, 5528005), (35, 4422404), (49, 3158860), (59, 2623460), (70, 2211202), (98, 1579430), (118, 1311730), (140, 1105601), (196, 789715), (236, 655865), (245, 631772), (295, 524692), (413, 374780), (490, 315886), (590, 262346), (826, 187390), (980, 157943), (1180, 131173), (1652, 93695), (2065, 74956), (2677, 57820), (2891, 53540), (4130, 37478), (5354, 28910), (5782, 26770), (8260, 18739), (10708, 14455), (11564, 13385)]