202015220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1559}}^1$

素因数の和:1629

約数の個数: 96

約数和(自身を含む): 503193600

約数和(自身を除く): 301178380

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 31, 38, 44, 55, 62, 76, 95, 110, 124, 155, 190, 209, 220, 310, 341, 380, 418, 589, 620, 682, 836, 1045, 1178, 1364, 1559, 1705, 2090, 2356, 2945, 3118, 3410, 4180, 5890, 6236, 6479, 6820, 7795, 11780, 12958, 15590, 17149, 25916, 29621, 31180, 32395, 34298, 48329, 59242, 64790, 68596, 85745, 96658, 118484, 129580, 148105, 171490, 193316, 241645, 296210, 325831, 342980, 483290, 531619, 592420, 651662, 918251, 966580, 1063238, 1303324, 1629155, 1836502, 2126476, 2658095, 3258310, 3673004, 4591255, 5316190, 6516620, 9182510, 10100761, 10632380, 18365020, 20201522, 40403044, 50503805, 101007610, 202015220]

約数ペア:

[(1, 202015220), (2, 101007610), (4, 50503805), (5, 40403044), (10, 20201522), (11, 18365020), (19, 10632380), (20, 10100761), (22, 9182510), (31, 6516620), (38, 5316190), (44, 4591255), (55, 3673004), (62, 3258310), (76, 2658095), (95, 2126476), (110, 1836502), (124, 1629155), (155, 1303324), (190, 1063238), (209, 966580), (220, 918251), (310, 651662), (341, 592420), (380, 531619), (418, 483290), (589, 342980), (620, 325831), (682, 296210), (836, 241645), (1045, 193316), (1178, 171490), (1364, 148105), (1559, 129580), (1705, 118484), (2090, 96658), (2356, 85745), (2945, 68596), (3118, 64790), (3410, 59242), (4180, 48329), (5890, 34298), (6236, 32395), (6479, 31180), (6820, 29621), (7795, 25916), (11780, 17149), (12958, 15590)]