278437970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1153}}^1$

素因数の和:1251

約数の個数: 64

約数和(自身を含む): 558351360

約数和(自身を除く): 279913390

約数列:

[1, 2, 5, 10, 19, 31, 38, 41, 62, 82, 95, 155, 190, 205, 310, 410, 589, 779, 1153, 1178, 1271, 1558, 2306, 2542, 2945, 3895, 5765, 5890, 6355, 7790, 11530, 12710, 21907, 24149, 35743, 43814, 47273, 48298, 71486, 94546, 109535, 120745, 178715, 219070, 236365, 241490, 357430, 472730, 679117, 898187, 1358234, 1465463, 1796374, 2930926, 3395585, 4490935, 6791170, 7327315, 8981870, 14654630, 27843797, 55687594, 139218985, 278437970]

約数ペア:

[(1, 278437970), (2, 139218985), (5, 55687594), (10, 27843797), (19, 14654630), (31, 8981870), (38, 7327315), (41, 6791170), (62, 4490935), (82, 3395585), (95, 2930926), (155, 1796374), (190, 1465463), (205, 1358234), (310, 898187), (410, 679117), (589, 472730), (779, 357430), (1153, 241490), (1178, 236365), (1271, 219070), (1558, 178715), (2306, 120745), (2542, 109535), (2945, 94546), (3895, 71486), (5765, 48298), (5890, 47273), (6355, 43814), (7790, 35743), (11530, 24149), (12710, 21907)]