423804980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{347}}^1\times {\mathrm{773}}^1$

素因数の和:1208

約数の個数: 48

約数和(自身を含む): 905022720

約数和(自身を除く): 481217740

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 347, 395, 694, 773, 790, 1388, 1546, 1580, 1735, 3092, 3470, 3865, 6940, 7730, 15460, 27413, 54826, 61067, 109652, 122134, 137065, 244268, 268231, 274130, 305335, 536462, 548260, 610670, 1072924, 1221340, 1341155, 2682310, 5364620, 21190249, 42380498, 84760996, 105951245, 211902490, 423804980]

約数ペア:

[(1, 423804980), (2, 211902490), (4, 105951245), (5, 84760996), (10, 42380498), (20, 21190249), (79, 5364620), (158, 2682310), (316, 1341155), (347, 1221340), (395, 1072924), (694, 610670), (773, 548260), (790, 536462), (1388, 305335), (1546, 274130), (1580, 268231), (1735, 244268), (3092, 137065), (3470, 122134), (3865, 109652), (6940, 61067), (7730, 54826), (15460, 27413)]