78844780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:575

約数の個数: 96

約数和(自身を含む): 201019392

約数和(自身を除く): 122174612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 37, 62, 70, 74, 124, 140, 148, 155, 185, 217, 259, 310, 370, 434, 491, 518, 620, 740, 868, 982, 1036, 1085, 1147, 1295, 1964, 2170, 2294, 2455, 2590, 3437, 4340, 4588, 4910, 5180, 5735, 6874, 8029, 9820, 11470, 13748, 15221, 16058, 17185, 18167, 22940, 30442, 32116, 34370, 36334, 40145, 60884, 68740, 72668, 76105, 80290, 90835, 106547, 127169, 152210, 160580, 181670, 213094, 254338, 304420, 363340, 426188, 508676, 532735, 563177, 635845, 1065470, 1126354, 1271690, 2130940, 2252708, 2543380, 2815885, 3942239, 5631770, 7884478, 11263540, 15768956, 19711195, 39422390, 78844780]

約数ペア:

[(1, 78844780), (2, 39422390), (4, 19711195), (5, 15768956), (7, 11263540), (10, 7884478), (14, 5631770), (20, 3942239), (28, 2815885), (31, 2543380), (35, 2252708), (37, 2130940), (62, 1271690), (70, 1126354), (74, 1065470), (124, 635845), (140, 563177), (148, 532735), (155, 508676), (185, 426188), (217, 363340), (259, 304420), (310, 254338), (370, 213094), (434, 181670), (491, 160580), (518, 152210), (620, 127169), (740, 106547), (868, 90835), (982, 80290), (1036, 76105), (1085, 72668), (1147, 68740), (1295, 60884), (1964, 40145), (2170, 36334), (2294, 34370), (2455, 32116), (2590, 30442), (3437, 22940), (4340, 18167), (4588, 17185), (4910, 16058), (5180, 15221), (5735, 13748), (6874, 11470), (8029, 9820)]