206719410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{557}}^1$

素因数の和:795

約数の個数: 64

約数和(自身を含む): 506217600

約数和(自身を除く): 299498190

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 89, 139, 178, 267, 278, 417, 445, 534, 557, 695, 834, 890, 1114, 1335, 1390, 1671, 2085, 2670, 2785, 3342, 4170, 5570, 8355, 12371, 16710, 24742, 37113, 49573, 61855, 74226, 77423, 99146, 123710, 148719, 154846, 185565, 232269, 247865, 297438, 371130, 387115, 464538, 495730, 743595, 774230, 1161345, 1487190, 2322690, 6890647, 13781294, 20671941, 34453235, 41343882, 68906470, 103359705, 206719410]

約数ペア:

[(1, 206719410), (2, 103359705), (3, 68906470), (5, 41343882), (6, 34453235), (10, 20671941), (15, 13781294), (30, 6890647), (89, 2322690), (139, 1487190), (178, 1161345), (267, 774230), (278, 743595), (417, 495730), (445, 464538), (534, 387115), (557, 371130), (695, 297438), (834, 247865), (890, 232269), (1114, 185565), (1335, 154846), (1390, 148719), (1671, 123710), (2085, 99146), (2670, 77423), (2785, 74226), (3342, 61855), (4170, 49573), (5570, 37113), (8355, 24742), (12371, 16710)]