214991460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1699}}^1$

素因数の和:1770

約数の個数: 144

約数和(自身を含む): 705432000

約数和(自身を除く): 490440540

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, 1699, 1710, 2109, 2220, 2812, 3330, 3398, 3420, 3515, 4218, 5097, 6327, 6660, 6796, 7030, 8436, 8495, 10194, 10545, 12654, 14060, 15291, 16990, 20388, 21090, 25308, 25485, 30582, 31635, 32281, 33980, 42180, 50970, 61164, 62863, 63270, 64562, 76455, 96843, 101940, 125726, 126540, 129124, 152910, 161405, 188589, 193686, 251452, 290529, 305820, 314315, 322810, 377178, 387372, 484215, 565767, 581058, 628630, 645620, 754356, 942945, 968430, 1131534, 1162116, 1194397, 1257260, 1452645, 1885890, 1936860, 2263068, 2388794, 2828835, 2905290, 3583191, 3771780, 4777588, 5657670, 5810580, 5971985, 7166382, 10749573, 11315340, 11943970, 14332764, 17915955, 21499146, 23887940, 35831910, 42998292, 53747865, 71663820, 107495730, 214991460]

約数ペア:

[(1, 214991460), (2, 107495730), (3, 71663820), (4, 53747865), (5, 42998292), (6, 35831910), (9, 23887940), (10, 21499146), (12, 17915955), (15, 14332764), (18, 11943970), (19, 11315340), (20, 10749573), (30, 7166382), (36, 5971985), (37, 5810580), (38, 5657670), (45, 4777588), (57, 3771780), (60, 3583191), (74, 2905290), (76, 2828835), (90, 2388794), (95, 2263068), (111, 1936860), (114, 1885890), (148, 1452645), (171, 1257260), (180, 1194397), (185, 1162116), (190, 1131534), (222, 968430), (228, 942945), (285, 754356), (333, 645620), (342, 628630), (370, 581058), (380, 565767), (444, 484215), (555, 387372), (570, 377178), (666, 322810), (684, 314315), (703, 305820), (740, 290529), (855, 251452), (1110, 193686), (1140, 188589), (1332, 161405), (1406, 152910), (1665, 129124), (1699, 126540), (1710, 125726), (2109, 101940), (2220, 96843), (2812, 76455), (3330, 64562), (3398, 63270), (3420, 62863), (3515, 61164), (4218, 50970), (5097, 42180), (6327, 33980), (6660, 32281), (6796, 31635), (7030, 30582), (8436, 25485), (8495, 25308), (10194, 21090), (10545, 20388), (12654, 16990), (14060, 15291)]