978455730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{977}}^1$

素因数の和:1264

約数の個数: 128

約数和(自身を含む): 2839173120

約数和(自身を除く): 1860717390

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 251, 266, 285, 399, 502, 570, 665, 753, 798, 977, 1255, 1330, 1506, 1757, 1954, 1995, 2510, 2931, 3514, 3765, 3990, 4769, 4885, 5271, 5862, 6839, 7530, 8785, 9538, 9770, 10542, 13678, 14307, 14655, 17570, 18563, 20517, 23845, 26355, 28614, 29310, 33383, 34195, 37126, 41034, 47690, 52710, 55689, 66766, 68390, 71535, 92815, 100149, 102585, 111378, 129941, 143070, 166915, 185630, 200298, 205170, 245227, 259882, 278445, 333830, 389823, 490454, 500745, 556890, 649705, 735681, 779646, 1001490, 1226135, 1299410, 1471362, 1716589, 1949115, 2452270, 3433178, 3678405, 3898230, 4659313, 5149767, 7356810, 8582945, 9318626, 10299534, 13977939, 17165890, 23296565, 25748835, 27955878, 32615191, 46593130, 51497670, 65230382, 69889695, 97845573, 139779390, 163075955, 195691146, 326151910, 489227865, 978455730]

約数ペア:

[(1, 978455730), (2, 489227865), (3, 326151910), (5, 195691146), (6, 163075955), (7, 139779390), (10, 97845573), (14, 69889695), (15, 65230382), (19, 51497670), (21, 46593130), (30, 32615191), (35, 27955878), (38, 25748835), (42, 23296565), (57, 17165890), (70, 13977939), (95, 10299534), (105, 9318626), (114, 8582945), (133, 7356810), (190, 5149767), (210, 4659313), (251, 3898230), (266, 3678405), (285, 3433178), (399, 2452270), (502, 1949115), (570, 1716589), (665, 1471362), (753, 1299410), (798, 1226135), (977, 1001490), (1255, 779646), (1330, 735681), (1506, 649705), (1757, 556890), (1954, 500745), (1995, 490454), (2510, 389823), (2931, 333830), (3514, 278445), (3765, 259882), (3990, 245227), (4769, 205170), (4885, 200298), (5271, 185630), (5862, 166915), (6839, 143070), (7530, 129941), (8785, 111378), (9538, 102585), (9770, 100149), (10542, 92815), (13678, 71535), (14307, 68390), (14655, 66766), (17570, 55689), (18563, 52710), (20517, 47690), (23845, 41034), (26355, 37126), (28614, 34195), (29310, 33383)]