211917488

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:370

約数の個数: 80

約数和(自身を含む): 452352000

約数和(自身を除く): 240434512

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 113, 124, 152, 199, 226, 248, 304, 398, 452, 496, 589, 796, 904, 1178, 1592, 1808, 2147, 2356, 3184, 3503, 3781, 4294, 4712, 6169, 7006, 7562, 8588, 9424, 12338, 14012, 15124, 17176, 22487, 24676, 28024, 30248, 34352, 44974, 49352, 56048, 60496, 66557, 89948, 98704, 117211, 133114, 179896, 234422, 266228, 359792, 427253, 468844, 532456, 697097, 854506, 937688, 1064912, 1394194, 1709012, 1875376, 2788388, 3418024, 5576776, 6836048, 11153552, 13244843, 26489686, 52979372, 105958744, 211917488]

約数ペア:

[(1, 211917488), (2, 105958744), (4, 52979372), (8, 26489686), (16, 13244843), (19, 11153552), (31, 6836048), (38, 5576776), (62, 3418024), (76, 2788388), (113, 1875376), (124, 1709012), (152, 1394194), (199, 1064912), (226, 937688), (248, 854506), (304, 697097), (398, 532456), (452, 468844), (496, 427253), (589, 359792), (796, 266228), (904, 234422), (1178, 179896), (1592, 133114), (1808, 117211), (2147, 98704), (2356, 89948), (3184, 66557), (3503, 60496), (3781, 56048), (4294, 49352), (4712, 44974), (6169, 34352), (7006, 30248), (7562, 28024), (8588, 24676), (9424, 22487), (12338, 17176), (14012, 15124)]