203789900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{571}}^1$

素因数の和:711

約数の個数: 72

約数和(自身を含む): 458762304

約数和(自身を除く): 254972404

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 83, 86, 100, 166, 172, 215, 332, 415, 430, 571, 830, 860, 1075, 1142, 1660, 2075, 2150, 2284, 2855, 3569, 4150, 4300, 5710, 7138, 8300, 11420, 14275, 14276, 17845, 24553, 28550, 35690, 47393, 49106, 57100, 71380, 89225, 94786, 98212, 122765, 178450, 189572, 236965, 245530, 356900, 473930, 491060, 613825, 947860, 1184825, 1227650, 2037899, 2369650, 2455300, 4075798, 4739300, 8151596, 10189495, 20378990, 40757980, 50947475, 101894950, 203789900]

約数ペア:

[(1, 203789900), (2, 101894950), (4, 50947475), (5, 40757980), (10, 20378990), (20, 10189495), (25, 8151596), (43, 4739300), (50, 4075798), (83, 2455300), (86, 2369650), (100, 2037899), (166, 1227650), (172, 1184825), (215, 947860), (332, 613825), (415, 491060), (430, 473930), (571, 356900), (830, 245530), (860, 236965), (1075, 189572), (1142, 178450), (1660, 122765), (2075, 98212), (2150, 94786), (2284, 89225), (2855, 71380), (3569, 57100), (4150, 49106), (4300, 47393), (5710, 35690), (7138, 28550), (8300, 24553), (11420, 17845), (14275, 14276)]