201993377020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1\times {\mathrm{30509}}^1$

素因数の和:30967

約数の個数: 96

約数和(自身を含む): 455775465600

約数和(自身を除く): 253782088580

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 185, 230, 370, 389, 460, 740, 778, 851, 1556, 1702, 1945, 3404, 3890, 4255, 7780, 8510, 8947, 14393, 17020, 17894, 28786, 30509, 35788, 44735, 57572, 61018, 71965, 89470, 122036, 143930, 152545, 178940, 287860, 305090, 331039, 610180, 662078, 701707, 1128833, 1324156, 1403414, 1655195, 2257666, 2806828, 3310390, 3508535, 4515332, 5644165, 6620780, 7017070, 11288330, 11868001, 14034140, 22576660, 23736002, 25963159, 47472004, 51926318, 59340005, 103852636, 118680010, 129815795, 237360020, 259631590, 272964023, 439116037, 519263180, 545928046, 878232074, 1091856092, 1364820115, 1756464148, 2195580185, 2729640230, 4391160370, 5459280460, 8782320740, 10099668851, 20199337702, 40398675404, 50498344255, 100996688510, 201993377020]

約数ペア:

[(1, 201993377020), (2, 100996688510), (4, 50498344255), (5, 40398675404), (10, 20199337702), (20, 10099668851), (23, 8782320740), (37, 5459280460), (46, 4391160370), (74, 2729640230), (92, 2195580185), (115, 1756464148), (148, 1364820115), (185, 1091856092), (230, 878232074), (370, 545928046), (389, 519263180), (460, 439116037), (740, 272964023), (778, 259631590), (851, 237360020), (1556, 129815795), (1702, 118680010), (1945, 103852636), (3404, 59340005), (3890, 51926318), (4255, 47472004), (7780, 25963159), (8510, 23736002), (8947, 22576660), (14393, 14034140), (17020, 11868001), (17894, 11288330), (28786, 7017070), (30509, 6620780), (35788, 5644165), (44735, 4515332), (57572, 3508535), (61018, 3310390), (71965, 2806828), (89470, 2257666), (122036, 1655195), (143930, 1403414), (152545, 1324156), (178940, 1128833), (287860, 701707), (305090, 662078), (331039, 610180)]