199818420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1889}}^1$

素因数の和:1985

約数の個数: 96

約数和(自身を含む): 586776960

約数和(自身を除く): 386958540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 43, 60, 82, 86, 123, 129, 164, 172, 205, 215, 246, 258, 410, 430, 492, 516, 615, 645, 820, 860, 1230, 1290, 1763, 1889, 2460, 2580, 3526, 3778, 5289, 5667, 7052, 7556, 8815, 9445, 10578, 11334, 17630, 18890, 21156, 22668, 26445, 28335, 35260, 37780, 52890, 56670, 77449, 81227, 105780, 113340, 154898, 162454, 232347, 243681, 309796, 324908, 387245, 406135, 464694, 487362, 774490, 812270, 929388, 974724, 1161735, 1218405, 1548980, 1624540, 2323470, 2436810, 3330307, 4646940, 4873620, 6660614, 9990921, 13321228, 16651535, 19981842, 33303070, 39963684, 49954605, 66606140, 99909210, 199818420]

約数ペア:

[(1, 199818420), (2, 99909210), (3, 66606140), (4, 49954605), (5, 39963684), (6, 33303070), (10, 19981842), (12, 16651535), (15, 13321228), (20, 9990921), (30, 6660614), (41, 4873620), (43, 4646940), (60, 3330307), (82, 2436810), (86, 2323470), (123, 1624540), (129, 1548980), (164, 1218405), (172, 1161735), (205, 974724), (215, 929388), (246, 812270), (258, 774490), (410, 487362), (430, 464694), (492, 406135), (516, 387245), (615, 324908), (645, 309796), (820, 243681), (860, 232347), (1230, 162454), (1290, 154898), (1763, 113340), (1889, 105780), (2460, 81227), (2580, 77449), (3526, 56670), (3778, 52890), (5289, 37780), (5667, 35260), (7052, 28335), (7556, 26445), (8815, 22668), (9445, 21156), (10578, 18890), (11334, 17630)]