1965253780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1$

素因数の和:474

約数の個数: 144

約数和(自身を含む): 4942997136

約数和(自身を除く): 2977743356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 53, 70, 98, 106, 140, 157, 196, 212, 241, 245, 265, 314, 371, 482, 490, 530, 628, 742, 785, 964, 980, 1060, 1099, 1205, 1484, 1570, 1687, 1855, 2198, 2410, 2597, 3140, 3374, 3710, 4396, 4820, 5194, 5495, 6748, 7420, 7693, 8321, 8435, 10388, 10990, 11809, 12773, 12985, 15386, 16642, 16870, 21980, 23618, 25546, 25970, 30772, 33284, 33740, 37837, 38465, 41605, 47236, 51092, 51940, 58247, 59045, 63865, 75674, 76930, 83210, 89411, 116494, 118090, 127730, 151348, 153860, 166420, 178822, 189185, 232988, 236180, 255460, 264859, 291235, 357644, 378370, 407729, 447055, 529718, 582470, 625877, 756740, 815458, 894110, 1059436, 1164940, 1251754, 1324295, 1630916, 1788220, 1854013, 2005361, 2038645, 2503508, 2648590, 3129385, 3708026, 4010722, 4077290, 5297180, 6258770, 7416052, 8021444, 8154580, 9270065, 10026805, 12517540, 14037527, 18540130, 20053610, 28075054, 37080260, 40107220, 56150108, 70187635, 98262689, 140375270, 196525378, 280750540, 393050756, 491313445, 982626890, 1965253780]

約数ペア:

[(1, 1965253780), (2, 982626890), (4, 491313445), (5, 393050756), (7, 280750540), (10, 196525378), (14, 140375270), (20, 98262689), (28, 70187635), (35, 56150108), (49, 40107220), (53, 37080260), (70, 28075054), (98, 20053610), (106, 18540130), (140, 14037527), (157, 12517540), (196, 10026805), (212, 9270065), (241, 8154580), (245, 8021444), (265, 7416052), (314, 6258770), (371, 5297180), (482, 4077290), (490, 4010722), (530, 3708026), (628, 3129385), (742, 2648590), (785, 2503508), (964, 2038645), (980, 2005361), (1060, 1854013), (1099, 1788220), (1205, 1630916), (1484, 1324295), (1570, 1251754), (1687, 1164940), (1855, 1059436), (2198, 894110), (2410, 815458), (2597, 756740), (3140, 625877), (3374, 582470), (3710, 529718), (4396, 447055), (4820, 407729), (5194, 378370), (5495, 357644), (6748, 291235), (7420, 264859), (7693, 255460), (8321, 236180), (8435, 232988), (10388, 189185), (10990, 178822), (11809, 166420), (12773, 153860), (12985, 151348), (15386, 127730), (16642, 118090), (16870, 116494), (21980, 89411), (23618, 83210), (25546, 76930), (25970, 75674), (30772, 63865), (33284, 59045), (33740, 58247), (37837, 51940), (38465, 51092), (41605, 47236)]