661317366910

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^2\times {\mathrm{149}}^1\times {\mathrm{181}}^1\times {\mathrm{659}}^1$

素因数の和:1118

約数の個数: 96

約数和(自身を含む): 1226917692000

約数和(自身を除く): 565600325090

約数列:

[1, 2, 5, 10, 61, 122, 149, 181, 298, 305, 362, 610, 659, 745, 905, 1318, 1490, 1810, 3295, 3721, 6590, 7442, 9089, 11041, 18178, 18605, 22082, 26969, 37210, 40199, 45445, 53938, 55205, 80398, 90890, 98191, 110410, 119279, 134845, 196382, 200995, 238558, 269690, 401990, 490955, 554429, 596395, 673501, 981910, 1108858, 1192790, 1347002, 1645109, 2452139, 2772145, 3290218, 3367505, 4904278, 5544290, 5989651, 6735010, 7276019, 8225545, 11979302, 12260695, 14552038, 16451090, 17772571, 24521390, 29948255, 35545142, 36380095, 59896510, 72760190, 88862855, 100351649, 177725710, 200703298, 365368711, 443837159, 501758245, 730737422, 887674318, 1003516490, 1084126831, 1826843555, 2168253662, 2219185795, 3653687110, 4438371590, 5420634155, 10841268310, 66131736691, 132263473382, 330658683455, 661317366910]

約数ペア:

[(1, 661317366910), (2, 330658683455), (5, 132263473382), (10, 66131736691), (61, 10841268310), (122, 5420634155), (149, 4438371590), (181, 3653687110), (298, 2219185795), (305, 2168253662), (362, 1826843555), (610, 1084126831), (659, 1003516490), (745, 887674318), (905, 730737422), (1318, 501758245), (1490, 443837159), (1810, 365368711), (3295, 200703298), (3721, 177725710), (6590, 100351649), (7442, 88862855), (9089, 72760190), (11041, 59896510), (18178, 36380095), (18605, 35545142), (22082, 29948255), (26969, 24521390), (37210, 17772571), (40199, 16451090), (45445, 14552038), (53938, 12260695), (55205, 11979302), (80398, 8225545), (90890, 7276019), (98191, 6735010), (110410, 5989651), (119279, 5544290), (134845, 4904278), (196382, 3367505), (200995, 3290218), (238558, 2772145), (269690, 2452139), (401990, 1645109), (490955, 1347002), (554429, 1192790), (596395, 1108858), (673501, 981910)]