28743940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{4973}}^1$

素因数の和:5016

約数の個数: 36

約数和(自身を含む): 64134756

約数和(自身を除く): 35390816

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 4973, 5780, 9946, 19892, 24865, 49730, 84541, 99460, 169082, 338164, 422705, 845410, 1437197, 1690820, 2874394, 5748788, 7185985, 14371970, 28743940]

約数ペア:

[(1, 28743940), (2, 14371970), (4, 7185985), (5, 5748788), (10, 2874394), (17, 1690820), (20, 1437197), (34, 845410), (68, 422705), (85, 338164), (170, 169082), (289, 99460), (340, 84541), (578, 49730), (1156, 24865), (1445, 19892), (2890, 9946), (4973, 5780)]