52138900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:206

約数の個数: 108

約数和(自身を含む): 129297280

約数和(自身を除く): 77158380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 44, 50, 55, 62, 100, 110, 121, 124, 139, 155, 220, 242, 275, 278, 310, 341, 484, 550, 556, 605, 620, 682, 695, 775, 1100, 1210, 1364, 1390, 1529, 1550, 1705, 2420, 2780, 3025, 3058, 3100, 3410, 3475, 3751, 4309, 6050, 6116, 6820, 6950, 7502, 7645, 8525, 8618, 12100, 13900, 15004, 15290, 16819, 17050, 17236, 18755, 21545, 30580, 33638, 34100, 37510, 38225, 43090, 47399, 67276, 75020, 76450, 84095, 86180, 93775, 94798, 107725, 152900, 168190, 187550, 189596, 215450, 236995, 336380, 375100, 420475, 430900, 473990, 521389, 840950, 947980, 1042778, 1184975, 1681900, 2085556, 2369950, 2606945, 4739900, 5213890, 10427780, 13034725, 26069450, 52138900]

約数ペア:

[(1, 52138900), (2, 26069450), (4, 13034725), (5, 10427780), (10, 5213890), (11, 4739900), (20, 2606945), (22, 2369950), (25, 2085556), (31, 1681900), (44, 1184975), (50, 1042778), (55, 947980), (62, 840950), (100, 521389), (110, 473990), (121, 430900), (124, 420475), (139, 375100), (155, 336380), (220, 236995), (242, 215450), (275, 189596), (278, 187550), (310, 168190), (341, 152900), (484, 107725), (550, 94798), (556, 93775), (605, 86180), (620, 84095), (682, 76450), (695, 75020), (775, 67276), (1100, 47399), (1210, 43090), (1364, 38225), (1390, 37510), (1529, 34100), (1550, 33638), (1705, 30580), (2420, 21545), (2780, 18755), (3025, 17236), (3058, 17050), (3100, 16819), (3410, 15290), (3475, 15004), (3751, 13900), (4309, 12100), (6050, 8618), (6116, 8525), (6820, 7645), (6950, 7502)]