209898396

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:600

約数の個数: 108

約数和(自身を含む): 579144384

約数和(自身を除く): 369245988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 57, 62, 76, 93, 114, 124, 171, 186, 228, 279, 342, 361, 372, 521, 558, 589, 684, 722, 1042, 1083, 1116, 1178, 1444, 1563, 1767, 2084, 2166, 2356, 3126, 3249, 3534, 4332, 4689, 5301, 6252, 6498, 7068, 9378, 9899, 10602, 11191, 12996, 16151, 18756, 19798, 21204, 22382, 29697, 32302, 33573, 39596, 44764, 48453, 59394, 64604, 67146, 89091, 96906, 100719, 118788, 134292, 145359, 178182, 188081, 193812, 201438, 290718, 306869, 356364, 376162, 402876, 564243, 581436, 613738, 752324, 920607, 1128486, 1227476, 1692729, 1841214, 2256972, 2761821, 3385458, 3682428, 5523642, 5830511, 6770916, 11047284, 11661022, 17491533, 23322044, 34983066, 52474599, 69966132, 104949198, 209898396]

約数ペア:

[(1, 209898396), (2, 104949198), (3, 69966132), (4, 52474599), (6, 34983066), (9, 23322044), (12, 17491533), (18, 11661022), (19, 11047284), (31, 6770916), (36, 5830511), (38, 5523642), (57, 3682428), (62, 3385458), (76, 2761821), (93, 2256972), (114, 1841214), (124, 1692729), (171, 1227476), (186, 1128486), (228, 920607), (279, 752324), (342, 613738), (361, 581436), (372, 564243), (521, 402876), (558, 376162), (589, 356364), (684, 306869), (722, 290718), (1042, 201438), (1083, 193812), (1116, 188081), (1178, 178182), (1444, 145359), (1563, 134292), (1767, 118788), (2084, 100719), (2166, 96906), (2356, 89091), (3126, 67146), (3249, 64604), (3534, 59394), (4332, 48453), (4689, 44764), (5301, 39596), (6252, 33573), (6498, 32302), (7068, 29697), (9378, 22382), (9899, 21204), (10602, 19798), (11191, 18756), (12996, 16151)]