328772220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{782791}}^1$

素因数の和:782810

約数の個数: 48

約数和(自身を含む): 1052072448

約数和(自身を除く): 723300228

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 782791, 1565582, 2348373, 3131164, 3913955, 4696746, 5479537, 7827910, 9393492, 10959074, 11741865, 15655820, 16438611, 21918148, 23483730, 27397685, 32877222, 46967460, 54795370, 65754444, 82193055, 109590740, 164386110, 328772220]

約数ペア:

[(1, 328772220), (2, 164386110), (3, 109590740), (4, 82193055), (5, 65754444), (6, 54795370), (7, 46967460), (10, 32877222), (12, 27397685), (14, 23483730), (15, 21918148), (20, 16438611), (21, 15655820), (28, 11741865), (30, 10959074), (35, 9393492), (42, 7827910), (60, 5479537), (70, 4696746), (84, 3913955), (105, 3131164), (140, 2348373), (210, 1565582), (420, 782791)]