2783455220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89963}}^1$

素因数の和:90009

約数の個数: 96

約数和(自身を含む): 7617431808

約数和(自身を除く): 4833976588

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 52, 65, 68, 70, 85, 91, 119, 130, 140, 170, 182, 221, 238, 260, 340, 364, 442, 455, 476, 595, 884, 910, 1105, 1190, 1547, 1820, 2210, 2380, 3094, 4420, 6188, 7735, 15470, 30940, 89963, 179926, 359852, 449815, 629741, 899630, 1169519, 1259482, 1529371, 1799260, 2339038, 2518964, 3058742, 3148705, 4678076, 5847595, 6117484, 6297410, 7646855, 8186633, 10705597, 11695190, 12594820, 15293710, 16373266, 19881823, 21411194, 23390380, 30587420, 32746532, 39763646, 40933165, 42822388, 53527985, 79527292, 81866330, 99409115, 107055970, 139172761, 163732660, 198818230, 214111940, 278345522, 397636460, 556691044, 695863805, 1391727610, 2783455220]

約数ペア:

[(1, 2783455220), (2, 1391727610), (4, 695863805), (5, 556691044), (7, 397636460), (10, 278345522), (13, 214111940), (14, 198818230), (17, 163732660), (20, 139172761), (26, 107055970), (28, 99409115), (34, 81866330), (35, 79527292), (52, 53527985), (65, 42822388), (68, 40933165), (70, 39763646), (85, 32746532), (91, 30587420), (119, 23390380), (130, 21411194), (140, 19881823), (170, 16373266), (182, 15293710), (221, 12594820), (238, 11695190), (260, 10705597), (340, 8186633), (364, 7646855), (442, 6297410), (455, 6117484), (476, 5847595), (595, 4678076), (884, 3148705), (910, 3058742), (1105, 2518964), (1190, 2339038), (1547, 1799260), (1820, 1529371), (2210, 1259482), (2380, 1169519), (3094, 899630), (4420, 629741), (6188, 449815), (7735, 359852), (15470, 179926), (30940, 89963)]