28958742280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{31481}}^1$

素因数の和:31595

約数の個数: 128

約数和(自身を含む): 73781215200

約数和(自身を除く): 44822472920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 61, 65, 104, 116, 122, 130, 145, 232, 244, 260, 290, 305, 377, 488, 520, 580, 610, 754, 793, 1160, 1220, 1508, 1586, 1769, 1885, 2440, 3016, 3172, 3538, 3770, 3965, 6344, 7076, 7540, 7930, 8845, 14152, 15080, 15860, 17690, 22997, 31481, 31720, 35380, 45994, 62962, 70760, 91988, 114985, 125924, 157405, 183976, 229970, 251848, 314810, 409253, 459940, 629620, 818506, 912949, 919880, 1259240, 1637012, 1825898, 1920341, 2046265, 3274024, 3651796, 3840682, 4092530, 4564745, 7303592, 7681364, 8185060, 9129490, 9601705, 11868337, 15362728, 16370120, 18258980, 19203410, 23736674, 24964433, 36517960, 38406820, 47473348, 49928866, 55689889, 59341685, 76813640, 94946696, 99857732, 111379778, 118683370, 124822165, 199715464, 222759556, 237366740, 249644330, 278449445, 445519112, 474733480, 499288660, 556898890, 723968557, 998577320, 1113797780, 1447937114, 2227595560, 2895874228, 3619842785, 5791748456, 7239685570, 14479371140, 28958742280]

約数ペア:

[(1, 28958742280), (2, 14479371140), (4, 7239685570), (5, 5791748456), (8, 3619842785), (10, 2895874228), (13, 2227595560), (20, 1447937114), (26, 1113797780), (29, 998577320), (40, 723968557), (52, 556898890), (58, 499288660), (61, 474733480), (65, 445519112), (104, 278449445), (116, 249644330), (122, 237366740), (130, 222759556), (145, 199715464), (232, 124822165), (244, 118683370), (260, 111379778), (290, 99857732), (305, 94946696), (377, 76813640), (488, 59341685), (520, 55689889), (580, 49928866), (610, 47473348), (754, 38406820), (793, 36517960), (1160, 24964433), (1220, 23736674), (1508, 19203410), (1586, 18258980), (1769, 16370120), (1885, 15362728), (2440, 11868337), (3016, 9601705), (3172, 9129490), (3538, 8185060), (3770, 7681364), (3965, 7303592), (6344, 4564745), (7076, 4092530), (7540, 3840682), (7930, 3651796), (8845, 3274024), (14152, 2046265), (15080, 1920341), (15860, 1825898), (17690, 1637012), (22997, 1259240), (31481, 919880), (31720, 912949), (35380, 818506), (45994, 629620), (62962, 459940), (70760, 409253), (91988, 314810), (114985, 251848), (125924, 229970), (157405, 183976)]