69890650

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:487

約数の個数: 48

約数和(自身を含む): 134866368

約数和(自身を除く): 64975718

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 103, 205, 206, 331, 410, 515, 662, 1025, 1030, 1655, 2050, 2575, 3310, 4223, 5150, 8275, 8446, 13571, 16550, 21115, 27142, 34093, 42230, 67855, 68186, 105575, 135710, 170465, 211150, 339275, 340930, 678550, 852325, 1397813, 1704650, 2795626, 6989065, 13978130, 34945325, 69890650]

約数ペア:

[(1, 69890650), (2, 34945325), (5, 13978130), (10, 6989065), (25, 2795626), (41, 1704650), (50, 1397813), (82, 852325), (103, 678550), (205, 340930), (206, 339275), (331, 211150), (410, 170465), (515, 135710), (662, 105575), (1025, 68186), (1030, 67855), (1655, 42230), (2050, 34093), (2575, 27142), (3310, 21115), (4223, 16550), (5150, 13571), (8275, 8446)]