172918900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1321}}^1$

素因数の和:1370

約数の個数: 144

約数和(自身を含む): 495718272

約数和(自身を除く): 322799372

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 25, 28, 34, 35, 44, 50, 55, 68, 70, 77, 85, 100, 110, 119, 140, 154, 170, 175, 187, 220, 238, 275, 308, 340, 350, 374, 385, 425, 476, 550, 595, 700, 748, 770, 850, 935, 1100, 1190, 1309, 1321, 1540, 1700, 1870, 1925, 2380, 2618, 2642, 2975, 3740, 3850, 4675, 5236, 5284, 5950, 6545, 6605, 7700, 9247, 9350, 11900, 13090, 13210, 14531, 18494, 18700, 22457, 26180, 26420, 29062, 32725, 33025, 36988, 44914, 46235, 58124, 65450, 66050, 72655, 89828, 92470, 101717, 112285, 130900, 132100, 145310, 157199, 184940, 203434, 224570, 231175, 247027, 290620, 314398, 363275, 406868, 449140, 462350, 494054, 508585, 561425, 628796, 726550, 785995, 924700, 988108, 1017170, 1122850, 1235135, 1453100, 1571990, 1729189, 2034340, 2245700, 2470270, 2542925, 3143980, 3458378, 3929975, 4940540, 5085850, 6175675, 6916756, 7859950, 8645945, 10171700, 12351350, 15719900, 17291890, 24702700, 34583780, 43229725, 86459450, 172918900]

約数ペア:

[(1, 172918900), (2, 86459450), (4, 43229725), (5, 34583780), (7, 24702700), (10, 17291890), (11, 15719900), (14, 12351350), (17, 10171700), (20, 8645945), (22, 7859950), (25, 6916756), (28, 6175675), (34, 5085850), (35, 4940540), (44, 3929975), (50, 3458378), (55, 3143980), (68, 2542925), (70, 2470270), (77, 2245700), (85, 2034340), (100, 1729189), (110, 1571990), (119, 1453100), (140, 1235135), (154, 1122850), (170, 1017170), (175, 988108), (187, 924700), (220, 785995), (238, 726550), (275, 628796), (308, 561425), (340, 508585), (350, 494054), (374, 462350), (385, 449140), (425, 406868), (476, 363275), (550, 314398), (595, 290620), (700, 247027), (748, 231175), (770, 224570), (850, 203434), (935, 184940), (1100, 157199), (1190, 145310), (1309, 132100), (1321, 130900), (1540, 112285), (1700, 101717), (1870, 92470), (1925, 89828), (2380, 72655), (2618, 66050), (2642, 65450), (2975, 58124), (3740, 46235), (3850, 44914), (4675, 36988), (5236, 33025), (5284, 32725), (5950, 29062), (6545, 26420), (6605, 26180), (7700, 22457), (9247, 18700), (9350, 18494), (11900, 14531), (13090, 13210)]