209282920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{571}}^1$

素因数の和:624

約数の個数: 192

約数和(自身を含む): 633821760

約数和(自身を除く): 424538840

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 20, 22, 28, 34, 35, 40, 44, 49, 55, 56, 68, 70, 77, 85, 88, 98, 110, 119, 136, 140, 154, 170, 187, 196, 220, 238, 245, 280, 308, 340, 374, 385, 392, 440, 476, 490, 539, 571, 595, 616, 680, 748, 770, 833, 935, 952, 980, 1078, 1142, 1190, 1309, 1496, 1540, 1666, 1870, 1960, 2156, 2284, 2380, 2618, 2695, 2855, 3080, 3332, 3740, 3997, 4165, 4312, 4568, 4760, 5236, 5390, 5710, 6281, 6545, 6664, 7480, 7994, 8330, 9163, 9707, 10472, 10780, 11420, 12562, 13090, 15988, 16660, 18326, 19414, 19985, 21560, 22840, 25124, 26180, 27979, 31405, 31976, 33320, 36652, 38828, 39970, 43967, 45815, 48535, 50248, 52360, 55958, 62810, 67949, 73304, 77656, 79940, 87934, 91630, 97070, 106777, 111916, 125620, 135898, 139895, 159880, 175868, 183260, 194140, 213554, 219835, 223832, 251240, 271796, 279790, 307769, 339745, 351736, 366520, 388280, 427108, 439670, 475643, 533885, 543592, 559580, 615538, 679490, 747439, 854216, 879340, 951286, 1067770, 1119160, 1231076, 1358980, 1494878, 1538845, 1758680, 1902572, 2135540, 2378215, 2462152, 2717960, 2989756, 3077690, 3737195, 3805144, 4271080, 4756430, 5232073, 5979512, 6155380, 7474390, 9512860, 10464146, 12310760, 14948780, 19025720, 20928292, 26160365, 29897560, 41856584, 52320730, 104641460, 209282920]

約数ペア:

[(1, 209282920), (2, 104641460), (4, 52320730), (5, 41856584), (7, 29897560), (8, 26160365), (10, 20928292), (11, 19025720), (14, 14948780), (17, 12310760), (20, 10464146), (22, 9512860), (28, 7474390), (34, 6155380), (35, 5979512), (40, 5232073), (44, 4756430), (49, 4271080), (55, 3805144), (56, 3737195), (68, 3077690), (70, 2989756), (77, 2717960), (85, 2462152), (88, 2378215), (98, 2135540), (110, 1902572), (119, 1758680), (136, 1538845), (140, 1494878), (154, 1358980), (170, 1231076), (187, 1119160), (196, 1067770), (220, 951286), (238, 879340), (245, 854216), (280, 747439), (308, 679490), (340, 615538), (374, 559580), (385, 543592), (392, 533885), (440, 475643), (476, 439670), (490, 427108), (539, 388280), (571, 366520), (595, 351736), (616, 339745), (680, 307769), (748, 279790), (770, 271796), (833, 251240), (935, 223832), (952, 219835), (980, 213554), (1078, 194140), (1142, 183260), (1190, 175868), (1309, 159880), (1496, 139895), (1540, 135898), (1666, 125620), (1870, 111916), (1960, 106777), (2156, 97070), (2284, 91630), (2380, 87934), (2618, 79940), (2695, 77656), (2855, 73304), (3080, 67949), (3332, 62810), (3740, 55958), (3997, 52360), (4165, 50248), (4312, 48535), (4568, 45815), (4760, 43967), (5236, 39970), (5390, 38828), (5710, 36652), (6281, 33320), (6545, 31976), (6664, 31405), (7480, 27979), (7994, 26180), (8330, 25124), (9163, 22840), (9707, 21560), (10472, 19985), (10780, 19414), (11420, 18326), (12562, 16660), (13090, 15988)]