19401250

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1$

素因数の和:133

約数の個数: 80

約数和(自身を含む): 42511392

約数和(自身を除く): 23110142

約数列:

[1, 2, 5, 10, 11, 17, 22, 25, 34, 50, 55, 83, 85, 110, 125, 166, 170, 187, 250, 275, 374, 415, 425, 550, 625, 830, 850, 913, 935, 1250, 1375, 1411, 1826, 1870, 2075, 2125, 2750, 2822, 4150, 4250, 4565, 4675, 6875, 7055, 9130, 9350, 10375, 10625, 13750, 14110, 15521, 20750, 21250, 22825, 23375, 31042, 35275, 45650, 46750, 51875, 70550, 77605, 103750, 114125, 116875, 155210, 176375, 228250, 233750, 352750, 388025, 570625, 776050, 881875, 1141250, 1763750, 1940125, 3880250, 9700625, 19401250]

約数ペア:

[(1, 19401250), (2, 9700625), (5, 3880250), (10, 1940125), (11, 1763750), (17, 1141250), (22, 881875), (25, 776050), (34, 570625), (50, 388025), (55, 352750), (83, 233750), (85, 228250), (110, 176375), (125, 155210), (166, 116875), (170, 114125), (187, 103750), (250, 77605), (275, 70550), (374, 51875), (415, 46750), (425, 45650), (550, 35275), (625, 31042), (830, 23375), (850, 22825), (913, 21250), (935, 20750), (1250, 15521), (1375, 14110), (1411, 13750), (1826, 10625), (1870, 10375), (2075, 9350), (2125, 9130), (2750, 7055), (2822, 6875), (4150, 4675), (4250, 4565)]