784189250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2389}}^1$

素因数の和:2520

約数の個数: 64

約数和(自身を含む): 1597246560

約数和(自身を除く): 813057310

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 101, 125, 130, 202, 250, 325, 505, 650, 1010, 1313, 1625, 2389, 2525, 2626, 3250, 4778, 5050, 6565, 11945, 12625, 13130, 23890, 25250, 31057, 32825, 59725, 62114, 65650, 119450, 155285, 164125, 241289, 298625, 310570, 328250, 482578, 597250, 776425, 1206445, 1552850, 2412890, 3136757, 3882125, 6032225, 6273514, 7764250, 12064450, 15683785, 30161125, 31367570, 60322250, 78418925, 156837850, 392094625, 784189250]

約数ペア:

[(1, 784189250), (2, 392094625), (5, 156837850), (10, 78418925), (13, 60322250), (25, 31367570), (26, 30161125), (50, 15683785), (65, 12064450), (101, 7764250), (125, 6273514), (130, 6032225), (202, 3882125), (250, 3136757), (325, 2412890), (505, 1552850), (650, 1206445), (1010, 776425), (1313, 597250), (1625, 482578), (2389, 328250), (2525, 310570), (2626, 298625), (3250, 241289), (4778, 164125), (5050, 155285), (6565, 119450), (11945, 65650), (12625, 62114), (13130, 59725), (23890, 32825), (25250, 31057)]