290361760

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139597}}^1$

素因数の和:139625

約数の個数: 48

約数和(自身を含む): 738752616

約数和(自身を除く): 448390856

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 139597, 279194, 558388, 697985, 1116776, 1395970, 1814761, 2233552, 2791940, 3629522, 4467104, 5583880, 7259044, 9073805, 11167760, 14518088, 18147610, 22335520, 29036176, 36295220, 58072352, 72590440, 145180880, 290361760]

約数ペア:

[(1, 290361760), (2, 145180880), (4, 72590440), (5, 58072352), (8, 36295220), (10, 29036176), (13, 22335520), (16, 18147610), (20, 14518088), (26, 11167760), (32, 9073805), (40, 7259044), (52, 5583880), (65, 4467104), (80, 3629522), (104, 2791940), (130, 2233552), (160, 1814761), (208, 1395970), (260, 1116776), (416, 697985), (520, 558388), (1040, 279194), (2080, 139597)]