154974620

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1\times {\mathrm{593}}^1$

素因数の和:854

約数の個数: 48

約数和(自身を含む): 332307360

約数和(自身を除く): 177332740

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 179, 292, 358, 365, 593, 716, 730, 895, 1186, 1460, 1790, 2372, 2965, 3580, 5930, 11860, 13067, 26134, 43289, 52268, 65335, 86578, 106147, 130670, 173156, 212294, 216445, 261340, 424588, 432890, 530735, 865780, 1061470, 2122940, 7748731, 15497462, 30994924, 38743655, 77487310, 154974620]

約数ペア:

[(1, 154974620), (2, 77487310), (4, 38743655), (5, 30994924), (10, 15497462), (20, 7748731), (73, 2122940), (146, 1061470), (179, 865780), (292, 530735), (358, 432890), (365, 424588), (593, 261340), (716, 216445), (730, 212294), (895, 173156), (1186, 130670), (1460, 106147), (1790, 86578), (2372, 65335), (2965, 52268), (3580, 43289), (5930, 26134), (11860, 13067)]