398889420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{349903}}^1$

素因数の和:349934

約数の個数: 48

約数和(自身を含む): 1175677440

約数和(自身を除く): 776788020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 349903, 699806, 1049709, 1399612, 1749515, 2099418, 3499030, 4198836, 5248545, 6648157, 6998060, 10497090, 13296314, 19944471, 20994180, 26592628, 33240785, 39888942, 66481570, 79777884, 99722355, 132963140, 199444710, 398889420]

約数ペア:

[(1, 398889420), (2, 199444710), (3, 132963140), (4, 99722355), (5, 79777884), (6, 66481570), (10, 39888942), (12, 33240785), (15, 26592628), (19, 20994180), (20, 19944471), (30, 13296314), (38, 10497090), (57, 6998060), (60, 6648157), (76, 5248545), (95, 4198836), (114, 3499030), (190, 2099418), (228, 1749515), (285, 1399612), (380, 1049709), (570, 699806), (1140, 349903)]