313634580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{746749}}^1$

素因数の和:746768

約数の個数: 48

約数和(自身を含む): 1003632000

約数和(自身を除く): 689997420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 746749, 1493498, 2240247, 2986996, 3733745, 4480494, 5227243, 7467490, 8960988, 10454486, 11201235, 14934980, 15681729, 20908972, 22402470, 26136215, 31363458, 44804940, 52272430, 62726916, 78408645, 104544860, 156817290, 313634580]

約数ペア:

[(1, 313634580), (2, 156817290), (3, 104544860), (4, 78408645), (5, 62726916), (6, 52272430), (7, 44804940), (10, 31363458), (12, 26136215), (14, 22402470), (15, 20908972), (20, 15681729), (21, 14934980), (28, 11201235), (30, 10454486), (35, 8960988), (42, 7467490), (60, 5227243), (70, 4480494), (84, 3733745), (105, 2986996), (140, 2240247), (210, 1493498), (420, 746749)]