1228021250

素因数分解:

$2^1\times 5^4\times {\mathrm{109}}^1\times {\mathrm{9013}}^1$

素因数の和:9144

約数の個数: 40

約数和(自身を含む): 2323178220

約数和(自身を除く): 1095156970

約数列:

[1, 2, 5, 10, 25, 50, 109, 125, 218, 250, 545, 625, 1090, 1250, 2725, 5450, 9013, 13625, 18026, 27250, 45065, 68125, 90130, 136250, 225325, 450650, 982417, 1126625, 1964834, 2253250, 4912085, 5633125, 9824170, 11266250, 24560425, 49120850, 122802125, 245604250, 614010625, 1228021250]

約数ペア:

[(1, 1228021250), (2, 614010625), (5, 245604250), (10, 122802125), (25, 49120850), (50, 24560425), (109, 11266250), (125, 9824170), (218, 5633125), (250, 4912085), (545, 2253250), (625, 1964834), (1090, 1126625), (1250, 982417), (2725, 450650), (5450, 225325), (9013, 136250), (13625, 90130), (18026, 68125), (27250, 45065)]