2000488980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1381}}^1\times {\mathrm{3449}}^1$

素因数の和:4849

約数の個数: 96

約数和(自身を含む): 6408057600

約数和(自身を除く): 4407568620

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, 1381, 2762, 3449, 4143, 5524, 6898, 6905, 8286, 9667, 10347, 13796, 13810, 16572, 17245, 19334, 20694, 20715, 24143, 27620, 29001, 34490, 38668, 41388, 41430, 48286, 48335, 51735, 58002, 68980, 72429, 82860, 96572, 96670, 103470, 116004, 120715, 144858, 145005, 193340, 206940, 241430, 289716, 290010, 362145, 482860, 580020, 724290, 1448580, 4763069, 9526138, 14289207, 19052276, 23815345, 28578414, 33341483, 47630690, 57156828, 66682966, 71446035, 95261380, 100024449, 133365932, 142892070, 166707415, 200048898, 285784140, 333414830, 400097796, 500122245, 666829660, 1000244490, 2000488980]

約数ペア:

[(1, 2000488980), (2, 1000244490), (3, 666829660), (4, 500122245), (5, 400097796), (6, 333414830), (7, 285784140), (10, 200048898), (12, 166707415), (14, 142892070), (15, 133365932), (20, 100024449), (21, 95261380), (28, 71446035), (30, 66682966), (35, 57156828), (42, 47630690), (60, 33341483), (70, 28578414), (84, 23815345), (105, 19052276), (140, 14289207), (210, 9526138), (420, 4763069), (1381, 1448580), (2762, 724290), (3449, 580020), (4143, 482860), (5524, 362145), (6898, 290010), (6905, 289716), (8286, 241430), (9667, 206940), (10347, 193340), (13796, 145005), (13810, 144858), (16572, 120715), (17245, 116004), (19334, 103470), (20694, 96670), (20715, 96572), (24143, 82860), (27620, 72429), (29001, 68980), (34490, 58002), (38668, 51735), (41388, 48335), (41430, 48286)]