28590100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:158

約数の個数: 144

約数和(自身を含む): 79994880

約数和(自身を除く): 51404780

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 47, 50, 55, 70, 77, 79, 94, 100, 110, 140, 154, 158, 175, 188, 220, 235, 275, 308, 316, 329, 350, 385, 395, 470, 517, 550, 553, 658, 700, 770, 790, 869, 940, 1034, 1100, 1106, 1175, 1316, 1540, 1580, 1645, 1738, 1925, 1975, 2068, 2212, 2350, 2585, 2765, 3290, 3476, 3619, 3713, 3850, 3950, 4345, 4700, 5170, 5530, 6083, 6580, 7238, 7426, 7700, 7900, 8225, 8690, 10340, 11060, 12166, 12925, 13825, 14476, 14852, 16450, 17380, 18095, 18565, 21725, 24332, 25850, 25991, 27650, 30415, 32900, 36190, 37130, 40843, 43450, 51700, 51982, 55300, 60830, 72380, 74260, 81686, 86900, 90475, 92825, 103964, 121660, 129955, 152075, 163372, 180950, 185650, 204215, 259910, 285901, 304150, 361900, 371300, 408430, 519820, 571802, 608300, 649775, 816860, 1021075, 1143604, 1299550, 1429505, 2042150, 2599100, 2859010, 4084300, 5718020, 7147525, 14295050, 28590100]

約数ペア:

[(1, 28590100), (2, 14295050), (4, 7147525), (5, 5718020), (7, 4084300), (10, 2859010), (11, 2599100), (14, 2042150), (20, 1429505), (22, 1299550), (25, 1143604), (28, 1021075), (35, 816860), (44, 649775), (47, 608300), (50, 571802), (55, 519820), (70, 408430), (77, 371300), (79, 361900), (94, 304150), (100, 285901), (110, 259910), (140, 204215), (154, 185650), (158, 180950), (175, 163372), (188, 152075), (220, 129955), (235, 121660), (275, 103964), (308, 92825), (316, 90475), (329, 86900), (350, 81686), (385, 74260), (395, 72380), (470, 60830), (517, 55300), (550, 51982), (553, 51700), (658, 43450), (700, 40843), (770, 37130), (790, 36190), (869, 32900), (940, 30415), (1034, 27650), (1100, 25991), (1106, 25850), (1175, 24332), (1316, 21725), (1540, 18565), (1580, 18095), (1645, 17380), (1738, 16450), (1925, 14852), (1975, 14476), (2068, 13825), (2212, 12925), (2350, 12166), (2585, 11060), (2765, 10340), (3290, 8690), (3476, 8225), (3619, 7900), (3713, 7700), (3850, 7426), (3950, 7238), (4345, 6580), (4700, 6083), (5170, 5530)]