8900720890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{2423}}^1$

素因数の和:2751

約数の個数: 64

約数和(自身を含む): 16964121600

約数和(自身を除く): 8063400710

約数列:

[1, 2, 5, 10, 29, 53, 58, 106, 145, 239, 265, 290, 478, 530, 1195, 1537, 2390, 2423, 3074, 4846, 6931, 7685, 12115, 12667, 13862, 15370, 24230, 25334, 34655, 63335, 69310, 70267, 126670, 128419, 140534, 256838, 351335, 367343, 579097, 642095, 702670, 734686, 1158194, 1284190, 1836715, 2895485, 3673430, 3724151, 5790970, 7448302, 16793813, 18620755, 30692141, 33587626, 37241510, 61384282, 83969065, 153460705, 167938130, 306921410, 890072089, 1780144178, 4450360445, 8900720890]

約数ペア:

[(1, 8900720890), (2, 4450360445), (5, 1780144178), (10, 890072089), (29, 306921410), (53, 167938130), (58, 153460705), (106, 83969065), (145, 61384282), (239, 37241510), (265, 33587626), (290, 30692141), (478, 18620755), (530, 16793813), (1195, 7448302), (1537, 5790970), (2390, 3724151), (2423, 3673430), (3074, 2895485), (4846, 1836715), (6931, 1284190), (7685, 1158194), (12115, 734686), (12667, 702670), (13862, 642095), (15370, 579097), (24230, 367343), (25334, 351335), (34655, 256838), (63335, 140534), (69310, 128419), (70267, 126670)]