80493993050

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{397}}^1$

素因数の和:733

約数の個数: 144

約数和(自身を含む): 162458887680

約数和(自身を除く): 81964894630

約数列:

[1, 2, 5, 10, 19, 25, 38, 47, 50, 94, 95, 190, 235, 239, 361, 397, 470, 475, 478, 722, 794, 893, 950, 1175, 1195, 1786, 1805, 1985, 2350, 2390, 3610, 3970, 4465, 4541, 5975, 7543, 8930, 9025, 9082, 9925, 11233, 11950, 15086, 16967, 18050, 18659, 19850, 22325, 22466, 22705, 33934, 37318, 37715, 44650, 45410, 56165, 75430, 84835, 86279, 93295, 94883, 112330, 113525, 143317, 169670, 172558, 186590, 188575, 189766, 213427, 227050, 280825, 286634, 354521, 377150, 424175, 426854, 431395, 466475, 474415, 561650, 709042, 716585, 848350, 862790, 932950, 948830, 1067135, 1433170, 1772605, 1802777, 2134270, 2156975, 2372075, 3545210, 3582925, 3605554, 4055113, 4313950, 4459501, 4744150, 5335675, 6735899, 7165850, 8110226, 8863025, 8919002, 9013885, 10671350, 13471798, 17726050, 18027770, 20275565, 22297505, 33679495, 34252763, 40551130, 44595010, 45069425, 67358990, 68505526, 84730519, 90138850, 101377825, 111487525, 168397475, 169461038, 171263815, 202755650, 222975050, 336794950, 342527630, 423652595, 847305190, 856319075, 1609879861, 1712638150, 2118262975, 3219759722, 4236525950, 8049399305, 16098798610, 40246996525, 80493993050]

約数ペア:

[(1, 80493993050), (2, 40246996525), (5, 16098798610), (10, 8049399305), (19, 4236525950), (25, 3219759722), (38, 2118262975), (47, 1712638150), (50, 1609879861), (94, 856319075), (95, 847305190), (190, 423652595), (235, 342527630), (239, 336794950), (361, 222975050), (397, 202755650), (470, 171263815), (475, 169461038), (478, 168397475), (722, 111487525), (794, 101377825), (893, 90138850), (950, 84730519), (1175, 68505526), (1195, 67358990), (1786, 45069425), (1805, 44595010), (1985, 40551130), (2350, 34252763), (2390, 33679495), (3610, 22297505), (3970, 20275565), (4465, 18027770), (4541, 17726050), (5975, 13471798), (7543, 10671350), (8930, 9013885), (9025, 8919002), (9082, 8863025), (9925, 8110226), (11233, 7165850), (11950, 6735899), (15086, 5335675), (16967, 4744150), (18050, 4459501), (18659, 4313950), (19850, 4055113), (22325, 3605554), (22466, 3582925), (22705, 3545210), (33934, 2372075), (37318, 2156975), (37715, 2134270), (44650, 1802777), (45410, 1772605), (56165, 1433170), (75430, 1067135), (84835, 948830), (86279, 932950), (93295, 862790), (94883, 848350), (112330, 716585), (113525, 709042), (143317, 561650), (169670, 474415), (172558, 466475), (186590, 431395), (188575, 426854), (189766, 424175), (213427, 377150), (227050, 354521), (280825, 286634)]