390301780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{379}}^1$

素因数の和:581

約数の個数: 96

約数和(自身を含む): 931553280

約数和(自身を除く): 541251500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 151, 155, 220, 302, 310, 341, 379, 604, 620, 682, 755, 758, 1364, 1510, 1516, 1661, 1705, 1895, 3020, 3322, 3410, 3790, 4169, 4681, 6644, 6820, 7580, 8305, 8338, 9362, 11749, 16610, 16676, 18724, 20845, 23405, 23498, 33220, 41690, 46810, 46996, 51491, 57229, 58745, 83380, 93620, 102982, 114458, 117490, 129239, 205964, 228916, 234980, 257455, 258478, 286145, 514910, 516956, 572290, 629519, 646195, 1029820, 1144580, 1259038, 1292390, 1774099, 2518076, 2584780, 3147595, 3548198, 6295190, 7096396, 8870495, 12590380, 17740990, 19515089, 35481980, 39030178, 78060356, 97575445, 195150890, 390301780]

約数ペア:

[(1, 390301780), (2, 195150890), (4, 97575445), (5, 78060356), (10, 39030178), (11, 35481980), (20, 19515089), (22, 17740990), (31, 12590380), (44, 8870495), (55, 7096396), (62, 6295190), (110, 3548198), (124, 3147595), (151, 2584780), (155, 2518076), (220, 1774099), (302, 1292390), (310, 1259038), (341, 1144580), (379, 1029820), (604, 646195), (620, 629519), (682, 572290), (755, 516956), (758, 514910), (1364, 286145), (1510, 258478), (1516, 257455), (1661, 234980), (1705, 228916), (1895, 205964), (3020, 129239), (3322, 117490), (3410, 114458), (3790, 102982), (4169, 93620), (4681, 83380), (6644, 58745), (6820, 57229), (7580, 51491), (8305, 46996), (8338, 46810), (9362, 41690), (11749, 33220), (16610, 23498), (16676, 23405), (18724, 20845)]