217873700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:294

約数の個数: 144

約数和(自身を含む): 557964288

約数和(自身を除く): 340090588

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 34, 44, 50, 55, 61, 68, 85, 100, 110, 122, 170, 187, 191, 220, 244, 275, 305, 340, 374, 382, 425, 550, 610, 671, 748, 764, 850, 935, 955, 1037, 1100, 1220, 1342, 1525, 1700, 1870, 1910, 2074, 2101, 2684, 3050, 3247, 3355, 3740, 3820, 4148, 4202, 4675, 4775, 5185, 6100, 6494, 6710, 8404, 9350, 9550, 10370, 10505, 11407, 11651, 12988, 13420, 16235, 16775, 18700, 19100, 20740, 21010, 22814, 23302, 25925, 32470, 33550, 35717, 42020, 45628, 46604, 51850, 52525, 57035, 58255, 64940, 67100, 71434, 81175, 103700, 105050, 114070, 116510, 128161, 142868, 162350, 178585, 198067, 210100, 228140, 233020, 256322, 285175, 291275, 324700, 357170, 396134, 512644, 570350, 582550, 640805, 714340, 792268, 892925, 990335, 1140700, 1165100, 1281610, 1785850, 1980670, 2178737, 2563220, 3204025, 3571700, 3961340, 4357474, 4951675, 6408050, 8714948, 9903350, 10893685, 12816100, 19806700, 21787370, 43574740, 54468425, 108936850, 217873700]

約数ペア:

[(1, 217873700), (2, 108936850), (4, 54468425), (5, 43574740), (10, 21787370), (11, 19806700), (17, 12816100), (20, 10893685), (22, 9903350), (25, 8714948), (34, 6408050), (44, 4951675), (50, 4357474), (55, 3961340), (61, 3571700), (68, 3204025), (85, 2563220), (100, 2178737), (110, 1980670), (122, 1785850), (170, 1281610), (187, 1165100), (191, 1140700), (220, 990335), (244, 892925), (275, 792268), (305, 714340), (340, 640805), (374, 582550), (382, 570350), (425, 512644), (550, 396134), (610, 357170), (671, 324700), (748, 291275), (764, 285175), (850, 256322), (935, 233020), (955, 228140), (1037, 210100), (1100, 198067), (1220, 178585), (1342, 162350), (1525, 142868), (1700, 128161), (1870, 116510), (1910, 114070), (2074, 105050), (2101, 103700), (2684, 81175), (3050, 71434), (3247, 67100), (3355, 64940), (3740, 58255), (3820, 57035), (4148, 52525), (4202, 51850), (4675, 46604), (4775, 45628), (5185, 42020), (6100, 35717), (6494, 33550), (6710, 32470), (8404, 25925), (9350, 23302), (9550, 22814), (10370, 21010), (10505, 20740), (11407, 19100), (11651, 18700), (12988, 16775), (13420, 16235)]