291251940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{9767}}^1$

素因数の和:9857

約数の個数: 96

約数和(自身を含む): 945229824

約数和(自身を除く): 653977884

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 71, 84, 105, 140, 142, 210, 213, 284, 355, 420, 426, 497, 710, 852, 994, 1065, 1420, 1491, 1988, 2130, 2485, 2982, 4260, 4970, 5964, 7455, 9767, 9940, 14910, 19534, 29301, 29820, 39068, 48835, 58602, 68369, 97670, 117204, 136738, 146505, 195340, 205107, 273476, 293010, 341845, 410214, 586020, 683690, 693457, 820428, 1025535, 1367380, 1386914, 2051070, 2080371, 2773828, 3467285, 4102140, 4160742, 4854199, 6934570, 8321484, 9708398, 10401855, 13869140, 14562597, 19416796, 20803710, 24270995, 29125194, 41607420, 48541990, 58250388, 72812985, 97083980, 145625970, 291251940]

約数ペア:

[(1, 291251940), (2, 145625970), (3, 97083980), (4, 72812985), (5, 58250388), (6, 48541990), (7, 41607420), (10, 29125194), (12, 24270995), (14, 20803710), (15, 19416796), (20, 14562597), (21, 13869140), (28, 10401855), (30, 9708398), (35, 8321484), (42, 6934570), (60, 4854199), (70, 4160742), (71, 4102140), (84, 3467285), (105, 2773828), (140, 2080371), (142, 2051070), (210, 1386914), (213, 1367380), (284, 1025535), (355, 820428), (420, 693457), (426, 683690), (497, 586020), (710, 410214), (852, 341845), (994, 293010), (1065, 273476), (1420, 205107), (1491, 195340), (1988, 146505), (2130, 136738), (2485, 117204), (2982, 97670), (4260, 68369), (4970, 58602), (5964, 48835), (7455, 39068), (9767, 29820), (9940, 29301), (14910, 19534)]