991894.00000000

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2789}}^1$

素因数の和:2845

約数の個数: 72

約数和(自身を含む): 232485120

約数和(自身を除く): 137380220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 44, 50, 55, 62, 100, 110, 124, 155, 220, 275, 310, 341, 550, 620, 682, 775, 1100, 1364, 1550, 1705, 2789, 3100, 3410, 5578, 6820, 8525, 11156, 13945, 17050, 27890, 30679, 34100, 55780, 61358, 69725, 86459, 122716, 139450, 153395, 172918, 278900, 306790, 345836, 432295, 613580, 766975, 864590, 951049, 1533950, 1729180, 1902098, 2161475, 3067900, 3804196, 4322950, 4755245, 8645900, 9510490, 19020980, 23776225, 47552450, 95104900]

約数ペア:

[(1, 95104900), (2, 47552450), (4, 23776225), (5, 19020980), (10, 9510490), (11, 8645900), (20, 4755245), (22, 4322950), (25, 3804196), (31, 3067900), (44, 2161475), (50, 1902098), (55, 1729180), (62, 1533950), (100, 951049), (110, 864590), (124, 766975), (155, 613580), (220, 432295), (275, 345836), (310, 306790), (341, 278900), (550, 172918), (620, 153395), (682, 139450), (775, 122716), (1100, 86459), (1364, 69725), (1550, 61358), (1705, 55780), (2789, 34100), (3100, 30679), (3410, 27890), (5578, 17050), (6820, 13945), (8525, 11156)]