890802164

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{2957}}^1$

素因数の和:3057

約数の個数: 72

約数和(自身を含む): 1911992040

約数和(自身を除く): 1021189876

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 53, 58, 98, 106, 116, 196, 203, 212, 371, 406, 742, 812, 1421, 1484, 1537, 2597, 2842, 2957, 3074, 5194, 5684, 5914, 6148, 10388, 10759, 11828, 20699, 21518, 41398, 43036, 75313, 82796, 85753, 144893, 150626, 156721, 171506, 289786, 301252, 313442, 343012, 579572, 600271, 626884, 1097047, 1200542, 2194094, 2401084, 4201897, 4388188, 4544909, 7679329, 8403794, 9089818, 15358658, 16807588, 18179636, 30717316, 31814363, 63628726, 127257452, 222700541, 445401082, 890802164]

約数ペア:

[(1, 890802164), (2, 445401082), (4, 222700541), (7, 127257452), (14, 63628726), (28, 31814363), (29, 30717316), (49, 18179636), (53, 16807588), (58, 15358658), (98, 9089818), (106, 8403794), (116, 7679329), (196, 4544909), (203, 4388188), (212, 4201897), (371, 2401084), (406, 2194094), (742, 1200542), (812, 1097047), (1421, 626884), (1484, 600271), (1537, 579572), (2597, 343012), (2842, 313442), (2957, 301252), (3074, 289786), (5194, 171506), (5684, 156721), (5914, 150626), (6148, 144893), (10388, 85753), (10759, 82796), (11828, 75313), (20699, 43036), (21518, 41398)]