199177550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:438

約数の個数: 96

約数和(自身を含む): 441534240

約数和(自身を除く): 242356690

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 89, 110, 130, 143, 178, 275, 286, 313, 325, 445, 550, 626, 650, 715, 890, 979, 1157, 1430, 1565, 1958, 2225, 2314, 3130, 3443, 3575, 4069, 4450, 4895, 5785, 6886, 7150, 7825, 8138, 9790, 11570, 12727, 15650, 17215, 20345, 24475, 25454, 27857, 28925, 34430, 40690, 44759, 48950, 55714, 57850, 63635, 86075, 89518, 101725, 127270, 139285, 172150, 203450, 223795, 278570, 306427, 318175, 362141, 447590, 612854, 636350, 696425, 724282, 1118975, 1392850, 1532135, 1810705, 2237950, 3064270, 3621410, 3983551, 7660675, 7967102, 9053525, 15321350, 18107050, 19917755, 39835510, 99588775, 199177550]

約数ペア:

[(1, 199177550), (2, 99588775), (5, 39835510), (10, 19917755), (11, 18107050), (13, 15321350), (22, 9053525), (25, 7967102), (26, 7660675), (50, 3983551), (55, 3621410), (65, 3064270), (89, 2237950), (110, 1810705), (130, 1532135), (143, 1392850), (178, 1118975), (275, 724282), (286, 696425), (313, 636350), (325, 612854), (445, 447590), (550, 362141), (626, 318175), (650, 306427), (715, 278570), (890, 223795), (979, 203450), (1157, 172150), (1430, 139285), (1565, 127270), (1958, 101725), (2225, 89518), (2314, 86075), (3130, 63635), (3443, 57850), (3575, 55714), (4069, 48950), (4450, 44759), (4895, 40690), (5785, 34430), (6886, 28925), (7150, 27857), (7825, 25454), (8138, 24475), (9790, 20345), (11570, 17215), (12727, 15650)]