1428419720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{392423}}^1$

素因数の和:392454

約数の個数: 64

約数和(自身を含む): 3955633920

約数和(自身を除く): 2527214200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 392423, 784846, 1569692, 1962115, 2746961, 3139384, 3924230, 5101499, 5493922, 7848460, 10202998, 10987844, 13734805, 15696920, 20405996, 21975688, 25507495, 27469610, 35710493, 40811992, 51014990, 54939220, 71420986, 102029980, 109878440, 142841972, 178552465, 204059960, 285683944, 357104930, 714209860, 1428419720]

約数ペア:

[(1, 1428419720), (2, 714209860), (4, 357104930), (5, 285683944), (7, 204059960), (8, 178552465), (10, 142841972), (13, 109878440), (14, 102029980), (20, 71420986), (26, 54939220), (28, 51014990), (35, 40811992), (40, 35710493), (52, 27469610), (56, 25507495), (65, 21975688), (70, 20405996), (91, 15696920), (104, 13734805), (130, 10987844), (140, 10202998), (182, 7848460), (260, 5493922), (280, 5101499), (364, 3924230), (455, 3139384), (520, 2746961), (728, 1962115), (910, 1569692), (1820, 784846), (3640, 392423)]