21551370500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{11491}}^1$

素因数の和:11563

約数の個数: 144

約数和(自身を含む): 53409667584

約数和(自身を除く): 31858297084

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 44, 50, 55, 62, 100, 110, 121, 124, 125, 155, 220, 242, 250, 275, 310, 341, 484, 500, 550, 605, 620, 682, 775, 1100, 1210, 1364, 1375, 1550, 1705, 2420, 2750, 3025, 3100, 3410, 3751, 3875, 5500, 6050, 6820, 7502, 7750, 8525, 11491, 12100, 15004, 15125, 15500, 17050, 18755, 22982, 30250, 34100, 37510, 42625, 45964, 57455, 60500, 75020, 85250, 93775, 114910, 126401, 170500, 187550, 229820, 252802, 287275, 356221, 375100, 468875, 505604, 574550, 632005, 712442, 937750, 1149100, 1264010, 1390411, 1424884, 1436375, 1781105, 1875500, 2528020, 2780822, 2872750, 3160025, 3562210, 3918431, 5561644, 5745500, 6320050, 6952055, 7124420, 7836862, 8905525, 12640100, 13904110, 15673724, 15800125, 17811050, 19592155, 27808220, 31600250, 34760275, 35622100, 39184310, 43102741, 44527625, 63200500, 69520550, 78368620, 86205482, 89055250, 97960775, 139041100, 172410964, 173801375, 178110500, 195921550, 215513705, 347602750, 391843100, 431027410, 489803875, 695205500, 862054820, 979607750, 1077568525, 1959215500, 2155137050, 4310274100, 5387842625, 10775685250, 21551370500]

約数ペア:

[(1, 21551370500), (2, 10775685250), (4, 5387842625), (5, 4310274100), (10, 2155137050), (11, 1959215500), (20, 1077568525), (22, 979607750), (25, 862054820), (31, 695205500), (44, 489803875), (50, 431027410), (55, 391843100), (62, 347602750), (100, 215513705), (110, 195921550), (121, 178110500), (124, 173801375), (125, 172410964), (155, 139041100), (220, 97960775), (242, 89055250), (250, 86205482), (275, 78368620), (310, 69520550), (341, 63200500), (484, 44527625), (500, 43102741), (550, 39184310), (605, 35622100), (620, 34760275), (682, 31600250), (775, 27808220), (1100, 19592155), (1210, 17811050), (1364, 15800125), (1375, 15673724), (1550, 13904110), (1705, 12640100), (2420, 8905525), (2750, 7836862), (3025, 7124420), (3100, 6952055), (3410, 6320050), (3751, 5745500), (3875, 5561644), (5500, 3918431), (6050, 3562210), (6820, 3160025), (7502, 2872750), (7750, 2780822), (8525, 2528020), (11491, 1875500), (12100, 1781105), (15004, 1436375), (15125, 1424884), (15500, 1390411), (17050, 1264010), (18755, 1149100), (22982, 937750), (30250, 712442), (34100, 632005), (37510, 574550), (42625, 505604), (45964, 468875), (57455, 375100), (60500, 356221), (75020, 287275), (85250, 252802), (93775, 229820), (114910, 187550), (126401, 170500)]