88408900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:162

約数の個数: 108

約数和(自身を含む): 211653120

約数和(自身を除く): 123244220

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 62, 76, 79, 95, 100, 124, 155, 158, 190, 310, 316, 361, 380, 395, 475, 589, 620, 722, 775, 790, 950, 1178, 1444, 1501, 1550, 1580, 1805, 1900, 1975, 2356, 2449, 2945, 3002, 3100, 3610, 3950, 4898, 5890, 6004, 7220, 7505, 7900, 9025, 9796, 11191, 11780, 12245, 14725, 15010, 18050, 22382, 24490, 28519, 29450, 30020, 36100, 37525, 44764, 46531, 48980, 55955, 57038, 58900, 61225, 75050, 93062, 111910, 114076, 122450, 142595, 150100, 186124, 223820, 232655, 244900, 279775, 285190, 465310, 559550, 570380, 712975, 884089, 930620, 1119100, 1163275, 1425950, 1768178, 2326550, 2851900, 3536356, 4420445, 4653100, 8840890, 17681780, 22102225, 44204450, 88408900]

約数ペア:

[(1, 88408900), (2, 44204450), (4, 22102225), (5, 17681780), (10, 8840890), (19, 4653100), (20, 4420445), (25, 3536356), (31, 2851900), (38, 2326550), (50, 1768178), (62, 1425950), (76, 1163275), (79, 1119100), (95, 930620), (100, 884089), (124, 712975), (155, 570380), (158, 559550), (190, 465310), (310, 285190), (316, 279775), (361, 244900), (380, 232655), (395, 223820), (475, 186124), (589, 150100), (620, 142595), (722, 122450), (775, 114076), (790, 111910), (950, 93062), (1178, 75050), (1444, 61225), (1501, 58900), (1550, 57038), (1580, 55955), (1805, 48980), (1900, 46531), (1975, 44764), (2356, 37525), (2449, 36100), (2945, 30020), (3002, 29450), (3100, 28519), (3610, 24490), (3950, 22382), (4898, 18050), (5890, 15010), (6004, 14725), (7220, 12245), (7505, 11780), (7900, 11191), (9025, 9796)]