386979820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:319

約数の個数: 96

約数和(自身を含む): 870912000

約数和(自身を除く): 483932180

約数列:

[1, 2, 4, 5, 10, 20, 31, 59, 62, 71, 118, 124, 142, 149, 155, 236, 284, 295, 298, 310, 355, 590, 596, 620, 710, 745, 1180, 1420, 1490, 1829, 2201, 2980, 3658, 4189, 4402, 4619, 7316, 8378, 8791, 8804, 9145, 9238, 10579, 11005, 16756, 17582, 18290, 18476, 20945, 21158, 22010, 23095, 35164, 36580, 41890, 42316, 43955, 44020, 46190, 52895, 83780, 87910, 92380, 105790, 129859, 175820, 211580, 259718, 272521, 327949, 519436, 545042, 624161, 649295, 655898, 1090084, 1248322, 1298590, 1311796, 1362605, 1639745, 2496644, 2597180, 2725210, 3120805, 3279490, 5450420, 6241610, 6558980, 12483220, 19348991, 38697982, 77395964, 96744955, 193489910, 386979820]

約数ペア:

[(1, 386979820), (2, 193489910), (4, 96744955), (5, 77395964), (10, 38697982), (20, 19348991), (31, 12483220), (59, 6558980), (62, 6241610), (71, 5450420), (118, 3279490), (124, 3120805), (142, 2725210), (149, 2597180), (155, 2496644), (236, 1639745), (284, 1362605), (295, 1311796), (298, 1298590), (310, 1248322), (355, 1090084), (590, 655898), (596, 649295), (620, 624161), (710, 545042), (745, 519436), (1180, 327949), (1420, 272521), (1490, 259718), (1829, 211580), (2201, 175820), (2980, 129859), (3658, 105790), (4189, 92380), (4402, 87910), (4619, 83780), (7316, 52895), (8378, 46190), (8791, 44020), (8804, 43955), (9145, 42316), (9238, 41890), (10579, 36580), (11005, 35164), (16756, 23095), (17582, 22010), (18290, 21158), (18476, 20945)]