377888980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{5431}}^1$

素因数の和:5525

約数の個数: 72

約数和(自身を含む): 936302976

約数和(自身を除く): 558413996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 196, 245, 284, 355, 490, 497, 710, 980, 994, 1420, 1988, 2485, 3479, 4970, 5431, 6958, 9940, 10862, 13916, 17395, 21724, 27155, 34790, 38017, 54310, 69580, 76034, 108620, 152068, 190085, 266119, 380170, 385601, 532238, 760340, 771202, 1064476, 1330595, 1542404, 1928005, 2661190, 2699207, 3856010, 5322380, 5398414, 7712020, 10796828, 13496035, 18894449, 26992070, 37788898, 53984140, 75577796, 94472245, 188944490, 377888980]

約数ペア:

[(1, 377888980), (2, 188944490), (4, 94472245), (5, 75577796), (7, 53984140), (10, 37788898), (14, 26992070), (20, 18894449), (28, 13496035), (35, 10796828), (49, 7712020), (70, 5398414), (71, 5322380), (98, 3856010), (140, 2699207), (142, 2661190), (196, 1928005), (245, 1542404), (284, 1330595), (355, 1064476), (490, 771202), (497, 760340), (710, 532238), (980, 385601), (994, 380170), (1420, 266119), (1988, 190085), (2485, 152068), (3479, 108620), (4970, 76034), (5431, 69580), (6958, 54310), (9940, 38017), (10862, 34790), (13916, 27155), (17395, 21724)]