199940970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:220

約数の個数: 128

約数和(自身を含む): 520058880

約数和(自身を除く): 320117910

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 43, 59, 71, 74, 86, 111, 118, 129, 142, 177, 185, 213, 215, 222, 258, 295, 354, 355, 370, 426, 430, 555, 590, 645, 710, 885, 1065, 1110, 1290, 1591, 1770, 2130, 2183, 2537, 2627, 3053, 3182, 4189, 4366, 4773, 5074, 5254, 6106, 6549, 7611, 7881, 7955, 8378, 9159, 9546, 10915, 12567, 12685, 13098, 13135, 15222, 15265, 15762, 15910, 18318, 20945, 21830, 23865, 25134, 25370, 26270, 30530, 32745, 38055, 39405, 41890, 45795, 47730, 62835, 65490, 76110, 78810, 91590, 93869, 112961, 125670, 154993, 180127, 187738, 225922, 281607, 309986, 338883, 360254, 464979, 469345, 540381, 563214, 564805, 677766, 774965, 900635, 929958, 938690, 1080762, 1129610, 1408035, 1549930, 1694415, 1801270, 2324895, 2701905, 2816070, 3388830, 4649790, 5403810, 6664699, 13329398, 19994097, 33323495, 39988194, 66646990, 99970485, 199940970]

約数ペア:

[(1, 199940970), (2, 99970485), (3, 66646990), (5, 39988194), (6, 33323495), (10, 19994097), (15, 13329398), (30, 6664699), (37, 5403810), (43, 4649790), (59, 3388830), (71, 2816070), (74, 2701905), (86, 2324895), (111, 1801270), (118, 1694415), (129, 1549930), (142, 1408035), (177, 1129610), (185, 1080762), (213, 938690), (215, 929958), (222, 900635), (258, 774965), (295, 677766), (354, 564805), (355, 563214), (370, 540381), (426, 469345), (430, 464979), (555, 360254), (590, 338883), (645, 309986), (710, 281607), (885, 225922), (1065, 187738), (1110, 180127), (1290, 154993), (1591, 125670), (1770, 112961), (2130, 93869), (2183, 91590), (2537, 78810), (2627, 76110), (3053, 65490), (3182, 62835), (4189, 47730), (4366, 45795), (4773, 41890), (5074, 39405), (5254, 38055), (6106, 32745), (6549, 30530), (7611, 26270), (7881, 25370), (7955, 25134), (8378, 23865), (9159, 21830), (9546, 20945), (10915, 18318), (12567, 15910), (12685, 15762), (13098, 15265), (13135, 15222)]