252194220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1993}}^1$

素因数の和:2064

約数の個数: 144

約数和(自身を含む): 827430240

約数和(自身を除く): 575236020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 37, 38, 45, 57, 60, 74, 76, 90, 95, 111, 114, 148, 171, 180, 185, 190, 222, 228, 285, 333, 342, 370, 380, 444, 555, 570, 666, 684, 703, 740, 855, 1110, 1140, 1332, 1406, 1665, 1710, 1993, 2109, 2220, 2812, 3330, 3420, 3515, 3986, 4218, 5979, 6327, 6660, 7030, 7972, 8436, 9965, 10545, 11958, 12654, 14060, 17937, 19930, 21090, 23916, 25308, 29895, 31635, 35874, 37867, 39860, 42180, 59790, 63270, 71748, 73741, 75734, 89685, 113601, 119580, 126540, 147482, 151468, 179370, 189335, 221223, 227202, 294964, 340803, 358740, 368705, 378670, 442446, 454404, 568005, 663669, 681606, 737410, 757340, 884892, 1106115, 1136010, 1327338, 1363212, 1401079, 1474820, 1704015, 2212230, 2272020, 2654676, 2802158, 3318345, 3408030, 4203237, 4424460, 5604316, 6636690, 6816060, 7005395, 8406474, 12609711, 13273380, 14010790, 16812948, 21016185, 25219422, 28021580, 42032370, 50438844, 63048555, 84064740, 126097110, 252194220]

約数ペア:

[(1, 252194220), (2, 126097110), (3, 84064740), (4, 63048555), (5, 50438844), (6, 42032370), (9, 28021580), (10, 25219422), (12, 21016185), (15, 16812948), (18, 14010790), (19, 13273380), (20, 12609711), (30, 8406474), (36, 7005395), (37, 6816060), (38, 6636690), (45, 5604316), (57, 4424460), (60, 4203237), (74, 3408030), (76, 3318345), (90, 2802158), (95, 2654676), (111, 2272020), (114, 2212230), (148, 1704015), (171, 1474820), (180, 1401079), (185, 1363212), (190, 1327338), (222, 1136010), (228, 1106115), (285, 884892), (333, 757340), (342, 737410), (370, 681606), (380, 663669), (444, 568005), (555, 454404), (570, 442446), (666, 378670), (684, 368705), (703, 358740), (740, 340803), (855, 294964), (1110, 227202), (1140, 221223), (1332, 189335), (1406, 179370), (1665, 151468), (1710, 147482), (1993, 126540), (2109, 119580), (2220, 113601), (2812, 89685), (3330, 75734), (3420, 73741), (3515, 71748), (3986, 63270), (4218, 59790), (5979, 42180), (6327, 39860), (6660, 37867), (7030, 35874), (7972, 31635), (8436, 29895), (9965, 25308), (10545, 23916), (11958, 21090), (12654, 19930), (14060, 17937)]