209375820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20407}}^1$

素因数の和:20444

約数の個数: 96

約数和(自身を含む): 685708800

約数和(自身を除く): 476332980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 2052, 2565, 3420, 5130, 10260, 20407, 40814, 61221, 81628, 102035, 122442, 183663, 204070, 244884, 306105, 367326, 387733, 408140, 550989, 612210, 734652, 775466, 918315, 1101978, 1163199, 1224420, 1550932, 1836630, 1938665, 2203956, 2326398, 2754945, 3489597, 3673260, 3877330, 4652796, 5509890, 5815995, 6979194, 7754660, 10468791, 11019780, 11631990, 13958388, 17447985, 20937582, 23263980, 34895970, 41875164, 52343955, 69791940, 104687910, 209375820]

約数ペア:

[(1, 209375820), (2, 104687910), (3, 69791940), (4, 52343955), (5, 41875164), (6, 34895970), (9, 23263980), (10, 20937582), (12, 17447985), (15, 13958388), (18, 11631990), (19, 11019780), (20, 10468791), (27, 7754660), (30, 6979194), (36, 5815995), (38, 5509890), (45, 4652796), (54, 3877330), (57, 3673260), (60, 3489597), (76, 2754945), (90, 2326398), (95, 2203956), (108, 1938665), (114, 1836630), (135, 1550932), (171, 1224420), (180, 1163199), (190, 1101978), (228, 918315), (270, 775466), (285, 734652), (342, 612210), (380, 550989), (513, 408140), (540, 387733), (570, 367326), (684, 306105), (855, 244884), (1026, 204070), (1140, 183663), (1710, 122442), (2052, 102035), (2565, 81628), (3420, 61221), (5130, 40814), (10260, 20407)]