2019172820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{43573}}^1$

素因数の和:43920

約数の個数: 48

約数和(自身を含む): 4860766848

約数和(自身を除く): 2841594028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 331, 662, 1324, 1655, 2317, 3310, 4634, 6620, 9268, 11585, 23170, 43573, 46340, 87146, 174292, 217865, 305011, 435730, 610022, 871460, 1220044, 1525055, 3050110, 6100220, 14422663, 28845326, 57690652, 72113315, 100958641, 144226630, 201917282, 288453260, 403834564, 504793205, 1009586410, 2019172820]

約数ペア:

[(1, 2019172820), (2, 1009586410), (4, 504793205), (5, 403834564), (7, 288453260), (10, 201917282), (14, 144226630), (20, 100958641), (28, 72113315), (35, 57690652), (70, 28845326), (140, 14422663), (331, 6100220), (662, 3050110), (1324, 1525055), (1655, 1220044), (2317, 871460), (3310, 610022), (4634, 435730), (6620, 305011), (9268, 217865), (11585, 174292), (23170, 87146), (43573, 46340)]