49079380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{821}}^1$

素因数の和:905

約数の個数: 72

約数和(自身を含む): 122007816

約数和(自身を除く): 72928436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 61, 70, 98, 122, 140, 196, 244, 245, 305, 427, 490, 610, 821, 854, 980, 1220, 1642, 1708, 2135, 2989, 3284, 4105, 4270, 5747, 5978, 8210, 8540, 11494, 11956, 14945, 16420, 22988, 28735, 29890, 40229, 50081, 57470, 59780, 80458, 100162, 114940, 160916, 200324, 201145, 250405, 350567, 402290, 500810, 701134, 804580, 1001620, 1402268, 1752835, 2453969, 3505670, 4907938, 7011340, 9815876, 12269845, 24539690, 49079380]

約数ペア:

[(1, 49079380), (2, 24539690), (4, 12269845), (5, 9815876), (7, 7011340), (10, 4907938), (14, 3505670), (20, 2453969), (28, 1752835), (35, 1402268), (49, 1001620), (61, 804580), (70, 701134), (98, 500810), (122, 402290), (140, 350567), (196, 250405), (244, 201145), (245, 200324), (305, 160916), (427, 114940), (490, 100162), (610, 80458), (821, 59780), (854, 57470), (980, 50081), (1220, 40229), (1642, 29890), (1708, 28735), (2135, 22988), (2989, 16420), (3284, 14945), (4105, 11956), (4270, 11494), (5747, 8540), (5978, 8210)]