278345518100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{383}}^1\times {\mathrm{43003}}^1$

素因数の和:43426

約数の個数: 108

約数和(自身を含む): 655769028096

約数和(自身を除く): 377423509996

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 169, 260, 325, 338, 383, 650, 676, 766, 845, 1300, 1532, 1690, 1915, 3380, 3830, 4225, 4979, 7660, 8450, 9575, 9958, 16900, 19150, 19916, 24895, 38300, 43003, 49790, 64727, 86006, 99580, 124475, 129454, 172012, 215015, 248950, 258908, 323635, 430030, 497900, 559039, 647270, 860060, 1075075, 1118078, 1294540, 1618175, 2150150, 2236156, 2795195, 3236350, 4300300, 5590390, 6472700, 7267507, 11180780, 13975975, 14535014, 16470149, 27951950, 29070028, 32940298, 36337535, 55903900, 65880596, 72675070, 82350745, 145350140, 164701490, 181687675, 214111937, 329402980, 363375350, 411753725, 428223874, 726750700, 823507450, 856447748, 1070559685, 1647014900, 2141119370, 2783455181, 4282238740, 5352798425, 5566910362, 10705596850, 11133820724, 13917275905, 21411193700, 27834551810, 55669103620, 69586379525, 139172759050, 278345518100]

約数ペア:

[(1, 278345518100), (2, 139172759050), (4, 69586379525), (5, 55669103620), (10, 27834551810), (13, 21411193700), (20, 13917275905), (25, 11133820724), (26, 10705596850), (50, 5566910362), (52, 5352798425), (65, 4282238740), (100, 2783455181), (130, 2141119370), (169, 1647014900), (260, 1070559685), (325, 856447748), (338, 823507450), (383, 726750700), (650, 428223874), (676, 411753725), (766, 363375350), (845, 329402980), (1300, 214111937), (1532, 181687675), (1690, 164701490), (1915, 145350140), (3380, 82350745), (3830, 72675070), (4225, 65880596), (4979, 55903900), (7660, 36337535), (8450, 32940298), (9575, 29070028), (9958, 27951950), (16900, 16470149), (19150, 14535014), (19916, 13975975), (24895, 11180780), (38300, 7267507), (43003, 6472700), (49790, 5590390), (64727, 4300300), (86006, 3236350), (99580, 2795195), (124475, 2236156), (129454, 2150150), (172012, 1618175), (215015, 1294540), (248950, 1118078), (258908, 1075075), (323635, 860060), (430030, 647270), (497900, 559039)]