18984966800

素因数分解:

$2^4\times 5^2\times {\mathrm{137}}^1\times {\mathrm{346441}}^1$

素因数の和:346596

約数の個数: 60

約数和(自身を含む): 45944445156

約数和(自身を除く): 26959478356

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 137, 200, 274, 400, 548, 685, 1096, 1370, 2192, 2740, 3425, 5480, 6850, 10960, 13700, 27400, 54800, 346441, 692882, 1385764, 1732205, 2771528, 3464410, 5543056, 6928820, 8661025, 13857640, 17322050, 27715280, 34644100, 47462417, 69288200, 94924834, 138576400, 189849668, 237312085, 379699336, 474624170, 759398672, 949248340, 1186560425, 1898496680, 2373120850, 3796993360, 4746241700, 9492483400, 18984966800]

約数ペア:

[(1, 18984966800), (2, 9492483400), (4, 4746241700), (5, 3796993360), (8, 2373120850), (10, 1898496680), (16, 1186560425), (20, 949248340), (25, 759398672), (40, 474624170), (50, 379699336), (80, 237312085), (100, 189849668), (137, 138576400), (200, 94924834), (274, 69288200), (400, 47462417), (548, 34644100), (685, 27715280), (1096, 17322050), (1370, 13857640), (2192, 8661025), (2740, 6928820), (3425, 5543056), (5480, 3464410), (6850, 2771528), (10960, 1732205), (13700, 1385764), (27400, 692882), (54800, 346441)]