89609700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:314

約数の個数: 144

約数和(自身を含む): 277760000

約数和(自身を除く): 188150300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 50, 57, 60, 75, 76, 79, 95, 100, 114, 150, 158, 190, 199, 228, 237, 285, 300, 316, 380, 395, 398, 474, 475, 570, 597, 790, 796, 948, 950, 995, 1140, 1185, 1194, 1425, 1501, 1580, 1900, 1975, 1990, 2370, 2388, 2850, 2985, 3002, 3781, 3950, 3980, 4503, 4740, 4975, 5700, 5925, 5970, 6004, 7505, 7562, 7900, 9006, 9950, 11343, 11850, 11940, 14925, 15010, 15124, 15721, 18012, 18905, 19900, 22515, 22686, 23700, 29850, 30020, 31442, 37525, 37810, 45030, 45372, 47163, 56715, 59700, 62884, 75050, 75620, 78605, 90060, 94326, 94525, 112575, 113430, 150100, 157210, 188652, 189050, 225150, 226860, 235815, 283575, 298699, 314420, 378100, 393025, 450300, 471630, 567150, 597398, 786050, 896097, 943260, 1134300, 1179075, 1194796, 1493495, 1572100, 1792194, 2358150, 2986990, 3584388, 4480485, 4716300, 5973980, 7467475, 8960970, 14934950, 17921940, 22402425, 29869900, 44804850, 89609700]

約数ペア:

[(1, 89609700), (2, 44804850), (3, 29869900), (4, 22402425), (5, 17921940), (6, 14934950), (10, 8960970), (12, 7467475), (15, 5973980), (19, 4716300), (20, 4480485), (25, 3584388), (30, 2986990), (38, 2358150), (50, 1792194), (57, 1572100), (60, 1493495), (75, 1194796), (76, 1179075), (79, 1134300), (95, 943260), (100, 896097), (114, 786050), (150, 597398), (158, 567150), (190, 471630), (199, 450300), (228, 393025), (237, 378100), (285, 314420), (300, 298699), (316, 283575), (380, 235815), (395, 226860), (398, 225150), (474, 189050), (475, 188652), (570, 157210), (597, 150100), (790, 113430), (796, 112575), (948, 94525), (950, 94326), (995, 90060), (1140, 78605), (1185, 75620), (1194, 75050), (1425, 62884), (1501, 59700), (1580, 56715), (1900, 47163), (1975, 45372), (1990, 45030), (2370, 37810), (2388, 37525), (2850, 31442), (2985, 30020), (3002, 29850), (3781, 23700), (3950, 22686), (3980, 22515), (4503, 19900), (4740, 18905), (4975, 18012), (5700, 15721), (5925, 15124), (5970, 15010), (6004, 14925), (7505, 11940), (7562, 11850), (7900, 11343), (9006, 9950)]