8859890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 19232640

約数和(自身を除く): 10372750

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 65, 85, 95, 130, 170, 190, 211, 221, 247, 323, 422, 442, 494, 646, 1055, 1105, 1235, 1615, 2110, 2210, 2470, 2743, 3230, 3587, 4009, 4199, 5486, 7174, 8018, 8398, 13715, 17935, 20045, 20995, 27430, 35870, 40090, 41990, 46631, 52117, 68153, 93262, 104234, 136306, 233155, 260585, 340765, 466310, 521170, 681530, 885989, 1771978, 4429945, 8859890]

約数ペア:

[(1, 8859890), (2, 4429945), (5, 1771978), (10, 885989), (13, 681530), (17, 521170), (19, 466310), (26, 340765), (34, 260585), (38, 233155), (65, 136306), (85, 104234), (95, 93262), (130, 68153), (170, 52117), (190, 46631), (211, 41990), (221, 40090), (247, 35870), (323, 27430), (422, 20995), (442, 20045), (494, 17935), (646, 13715), (1055, 8398), (1105, 8018), (1235, 7174), (1615, 5486), (2110, 4199), (2210, 4009), (2470, 3587), (2743, 3230)]