51388700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:204

約数の個数: 108

約数和(自身を含む): 127450176

約数和(自身を除く): 76061476

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 44, 50, 55, 62, 100, 110, 121, 124, 137, 155, 220, 242, 274, 275, 310, 341, 484, 548, 550, 605, 620, 682, 685, 775, 1100, 1210, 1364, 1370, 1507, 1550, 1705, 2420, 2740, 3014, 3025, 3100, 3410, 3425, 3751, 4247, 6028, 6050, 6820, 6850, 7502, 7535, 8494, 8525, 12100, 13700, 15004, 15070, 16577, 16988, 17050, 18755, 21235, 30140, 33154, 34100, 37510, 37675, 42470, 46717, 66308, 75020, 75350, 82885, 84940, 93434, 93775, 106175, 150700, 165770, 186868, 187550, 212350, 233585, 331540, 375100, 414425, 424700, 467170, 513887, 828850, 934340, 1027774, 1167925, 1657700, 2055548, 2335850, 2569435, 4671700, 5138870, 10277740, 12847175, 25694350, 51388700]

約数ペア:

[(1, 51388700), (2, 25694350), (4, 12847175), (5, 10277740), (10, 5138870), (11, 4671700), (20, 2569435), (22, 2335850), (25, 2055548), (31, 1657700), (44, 1167925), (50, 1027774), (55, 934340), (62, 828850), (100, 513887), (110, 467170), (121, 424700), (124, 414425), (137, 375100), (155, 331540), (220, 233585), (242, 212350), (274, 187550), (275, 186868), (310, 165770), (341, 150700), (484, 106175), (548, 93775), (550, 93434), (605, 84940), (620, 82885), (682, 75350), (685, 75020), (775, 66308), (1100, 46717), (1210, 42470), (1364, 37675), (1370, 37510), (1507, 34100), (1550, 33154), (1705, 30140), (2420, 21235), (2740, 18755), (3014, 17050), (3025, 16988), (3100, 16577), (3410, 15070), (3425, 15004), (3751, 13700), (4247, 12100), (6028, 8525), (6050, 8494), (6820, 7535), (6850, 7502)]