2785194940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{743}}^1\times {\mathrm{1549}}^1$

素因数の和:2323

約数の個数: 72

約数和(自身を含む): 6441775200

約数和(自身を除く): 3656580260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 743, 1210, 1486, 1549, 2420, 2972, 3098, 3715, 6196, 7430, 7745, 8173, 14860, 15490, 16346, 17039, 30980, 32692, 34078, 40865, 68156, 81730, 85195, 89903, 163460, 170390, 179806, 187429, 340780, 359612, 374858, 449515, 749716, 899030, 937145, 1150907, 1798060, 1874290, 2301814, 3748580, 4603628, 5754535, 11509070, 12659977, 23018140, 25319954, 50639908, 63299885, 126599770, 139259747, 253199540, 278519494, 557038988, 696298735, 1392597470, 2785194940]

約数ペア:

[(1, 2785194940), (2, 1392597470), (4, 696298735), (5, 557038988), (10, 278519494), (11, 253199540), (20, 139259747), (22, 126599770), (44, 63299885), (55, 50639908), (110, 25319954), (121, 23018140), (220, 12659977), (242, 11509070), (484, 5754535), (605, 4603628), (743, 3748580), (1210, 2301814), (1486, 1874290), (1549, 1798060), (2420, 1150907), (2972, 937145), (3098, 899030), (3715, 749716), (6196, 449515), (7430, 374858), (7745, 359612), (8173, 340780), (14860, 187429), (15490, 179806), (16346, 170390), (17039, 163460), (30980, 89903), (32692, 85195), (34078, 81730), (40865, 68156)]