788366450

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:320

約数の個数: 96

約数和(自身を含む): 1581930000

約数和(自身を除く): 793563550

約数列:

[1, 2, 5, 10, 25, 29, 41, 50, 58, 82, 89, 145, 149, 178, 205, 290, 298, 410, 445, 725, 745, 890, 1025, 1189, 1450, 1490, 2050, 2225, 2378, 2581, 3649, 3725, 4321, 4450, 5162, 5945, 6109, 7298, 7450, 8642, 11890, 12218, 12905, 13261, 18245, 21605, 25810, 26522, 29725, 30545, 36490, 43210, 59450, 61090, 64525, 66305, 91225, 105821, 108025, 129050, 132610, 152725, 177161, 182450, 211642, 216050, 305450, 331525, 354322, 384569, 529105, 543701, 663050, 769138, 885805, 1058210, 1087402, 1771610, 1922845, 2645525, 2718505, 3845690, 4429025, 5291050, 5437010, 8858050, 9614225, 13592525, 15767329, 19228450, 27185050, 31534658, 78836645, 157673290, 394183225, 788366450]

約数ペア:

[(1, 788366450), (2, 394183225), (5, 157673290), (10, 78836645), (25, 31534658), (29, 27185050), (41, 19228450), (50, 15767329), (58, 13592525), (82, 9614225), (89, 8858050), (145, 5437010), (149, 5291050), (178, 4429025), (205, 3845690), (290, 2718505), (298, 2645525), (410, 1922845), (445, 1771610), (725, 1087402), (745, 1058210), (890, 885805), (1025, 769138), (1189, 663050), (1450, 543701), (1490, 529105), (2050, 384569), (2225, 354322), (2378, 331525), (2581, 305450), (3649, 216050), (3725, 211642), (4321, 182450), (4450, 177161), (5162, 152725), (5945, 132610), (6109, 129050), (7298, 108025), (7450, 105821), (8642, 91225), (11890, 66305), (12218, 64525), (12905, 61090), (13261, 59450), (18245, 43210), (21605, 36490), (25810, 30545), (26522, 29725)]