397204704980

素因数分解:

$2^2\times 5^1\times {\mathrm{773}}^1\times {\mathrm{1259}}^1\times {\mathrm{20407}}^1$

素因数の和:22448

約数の個数: 48

約数和(自身を含む): 835913312640

約数和(自身を除く): 438708607660

約数列:

[1, 2, 4, 5, 10, 20, 773, 1259, 1546, 2518, 3092, 3865, 5036, 6295, 7730, 12590, 15460, 20407, 25180, 40814, 81628, 102035, 204070, 408140, 973207, 1946414, 3892828, 4866035, 9732070, 15774611, 19464140, 25692413, 31549222, 51384826, 63098444, 78873055, 102769652, 128462065, 157746110, 256924130, 315492220, 513848260, 19860235249, 39720470498, 79440940996, 99301176245, 198602352490, 397204704980]

約数ペア:

[(1, 397204704980), (2, 198602352490), (4, 99301176245), (5, 79440940996), (10, 39720470498), (20, 19860235249), (773, 513848260), (1259, 315492220), (1546, 256924130), (2518, 157746110), (3092, 128462065), (3865, 102769652), (5036, 78873055), (6295, 63098444), (7730, 51384826), (12590, 31549222), (15460, 25692413), (20407, 19464140), (25180, 15774611), (40814, 9732070), (81628, 4866035), (102035, 3892828), (204070, 1946414), (408140, 973207)]