191528680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{1723}}^1$

素因数の和:2138

約数の個数: 64

約数和(自身を含む): 494029440

約数和(自身を除く): 302500760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 397, 794, 1588, 1723, 1985, 2779, 3176, 3446, 3970, 5558, 6892, 7940, 8615, 11116, 12061, 13784, 13895, 15880, 17230, 22232, 24122, 27790, 34460, 48244, 55580, 60305, 68920, 96488, 111160, 120610, 241220, 482440, 684031, 1368062, 2736124, 3420155, 4788217, 5472248, 6840310, 9576434, 13680620, 19152868, 23941085, 27361240, 38305736, 47882170, 95764340, 191528680]

約数ペア:

[(1, 191528680), (2, 95764340), (4, 47882170), (5, 38305736), (7, 27361240), (8, 23941085), (10, 19152868), (14, 13680620), (20, 9576434), (28, 6840310), (35, 5472248), (40, 4788217), (56, 3420155), (70, 2736124), (140, 1368062), (280, 684031), (397, 482440), (794, 241220), (1588, 120610), (1723, 111160), (1985, 96488), (2779, 68920), (3176, 60305), (3446, 55580), (3970, 48244), (5558, 34460), (6892, 27790), (7940, 24122), (8615, 22232), (11116, 17230), (12061, 15880), (13784, 13895)]