206481340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{277}}^1$

素因数の和:407

約数の個数: 96

約数和(自身を含む): 486468864

約数和(自身を除く): 279987524

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 61, 65, 94, 122, 130, 188, 235, 244, 260, 277, 305, 470, 554, 610, 611, 793, 940, 1108, 1220, 1222, 1385, 1586, 2444, 2770, 2867, 3055, 3172, 3601, 3965, 5540, 5734, 6110, 7202, 7930, 11468, 12220, 13019, 14335, 14404, 15860, 16897, 18005, 26038, 28670, 33794, 36010, 37271, 52076, 57340, 65095, 67588, 72020, 74542, 84485, 130190, 149084, 168970, 169247, 186355, 219661, 260380, 337940, 338494, 372710, 439322, 676988, 745420, 794159, 846235, 878644, 1098305, 1588318, 1692470, 2196610, 3176636, 3384940, 3970795, 4393220, 7941590, 10324067, 15883180, 20648134, 41296268, 51620335, 103240670, 206481340]

約数ペア:

[(1, 206481340), (2, 103240670), (4, 51620335), (5, 41296268), (10, 20648134), (13, 15883180), (20, 10324067), (26, 7941590), (47, 4393220), (52, 3970795), (61, 3384940), (65, 3176636), (94, 2196610), (122, 1692470), (130, 1588318), (188, 1098305), (235, 878644), (244, 846235), (260, 794159), (277, 745420), (305, 676988), (470, 439322), (554, 372710), (610, 338494), (611, 337940), (793, 260380), (940, 219661), (1108, 186355), (1220, 169247), (1222, 168970), (1385, 149084), (1586, 130190), (2444, 84485), (2770, 74542), (2867, 72020), (3055, 67588), (3172, 65095), (3601, 57340), (3965, 52076), (5540, 37271), (5734, 36010), (6110, 33794), (7202, 28670), (7930, 26038), (11468, 18005), (12220, 16897), (13019, 15860), (14335, 14404)]